ภาคผนวก ก. Source Code

Transcription

1 ภาคผนวก

2 ภาคผนวก ก. Source Code 154

3 155 Source Code ช อ Empbook Option Explicit On Option Strict On Imports System.data Imports System.Data.OleDb Public Class Empbook Dim Book_status As Integer = 1 'ęğŀşľłŀăăő ŽŐŞ1= ĂŐ 2 = ŽŐŞ Private Sub Empbook_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() ' řăňăłconndata showtypebook() showsuplier() showbook() Cleardata() cmbsup.text = "řąőĺł ĿďŚğŞðŻŀĚŞůŀĂ " cmbtype.text = "řąőĺłćăľř ğěşŀðęőĺ " Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() Private Sub Cleardata() txtbookid.text = "" txtbookisbn.text = "" txtbookname.text = "" txtbookdetail.text = "" txtbookauther.text = "" txtbookpublisher.text = "" txtbooktitle.text = "" txtbooksub.text = "" txtpricerent.text = "" cmbsup.text = "řąőĺł ĿďŚğŞðŻŀĚŞůŀĂ " cmbtype.text = "řąőĺłćăľř ğěşŀðęőĺ " ' Śę¾ÐŽůŀĆăľř ğěşŀðęőĺ Private Sub showtypebook() Dim sqlbooktype As String sqlbooktype = "SELECT * FROM tb_booktype" da = New OleDbDataAdapter(sqlbookType, Conn) da.fill(ds, "tb_booktype") With cmbtype.datasource = ds.tables("tb_booktype").displaymember = "Bt_name".ValueMember = "Bt_id"

4 156.DataBindings.Add("SelectedValue", ds, "tb_booktype.bt_id") ds.tables.clear() ' Śę¾ÐŠŰĹ Ŕą ĿďŚğŞðŻŀĚŞůŀĂ Private Sub showsuplier() Dim sqlbooktype As String sqlbooktype = "SELECT * FROM tb_supplier" da = New OleDbDataAdapter(sqlbookType, Conn) da.fill(ds, "tb_supplier") With cmbsup.datasource = ds.tables("tb_supplier").displaymember = "Sup_name".ValueMember = "Sup_id".DataBindings.Add("SelectedValue", ds, "tb_supplier.sup_id") ds.tables.clear() Private Sub showbook() Dim sqlbook As String Dim cs As New DataGridViewCellStyle sqlbook = "SELECT tb_book.book_id,tb_book.book_isbn,tb_book.book_name,tb_book.book_author,tb_book.book_detail," sqlbook &= "tb_book.book_publisher,tb_book.book_title,tb_book.book_sub,tb_book.price_rent,tb_booktype.bt_name,t b_supplier.sup_name FROM tb_book,tb_booktype,tb_supplier WHERE( tb_book.bt_id = tb_booktype.bt_id )and ( tb_book.sup_id = tb_supplier.sup_id )" da = New OleDbDataAdapter(sqlBook, Conn) da.fill(ds, "Book") With grdbook.readonly = True.DataSource = ds.tables("book") cs.font = New Font("Ms Sans Serif", 10, FontStyle.Bold) With grdbook.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęěşŀðęőĺ ".Columns(1).HeaderText = "řąšřăňăłěşŀðęőĺ ".Columns(2).HeaderText = "ýőůĺěşŀðęőĺ ".Columns(3).HeaderText = "ăŀăąľřĺňă¾ěşŀðęőĺ ".Columns(4).HeaderText = "ýőůĺćŕűś ůð ".Columns(5).HeaderText = "ężŀşŀłčń čź ".Columns(6).HeaderText = " ŀžğňů ".Columns(7).HeaderText = "řąů ğňů ".Columns(8).HeaderText = "ăŀžŀřýůŀ".columns(9).headertext = "Ćăľř ğěşŀðęőĺ "

5 157.Columns(10).HeaderText = " ĿďŚğŞðŻŀĚŞůŀĂ ".Columns(0).Width = 110.Columns(1).Width = 120.Columns(2).Width = 130.Columns(3).Width = 130.Columns(4).Width = 130.Columns(5).Width = 130.Columns(6).Width = 50.Columns(7).Width = 50.Columns(8).Width = 80.Columns(9).Width = 130.Columns(10).Width = 130 ds.tables.clear() Private Sub cmdadd_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdadd.click Dim sqladd As String Dim sqlcheck As String If txtbookid.text = "" Then MessageBox.Show("łăő¼ŀłăĹłăĚĿęĚŞĿÐęŐĹ¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbookid.focus() If txtbookisbn.text = "" Then MessageBox.Show("łăő¼ŀłăĹłřąŠřăŇó̪ĿÐęŐĹ¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbookisbn.focus() If txtbookname.text = "" Then MessageBox.Show("łăő¼ŀłăĹłýŐůĹĚŞĿÐęŐĹ¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbookname.focus() If txtbookdetail.text = "" Then MessageBox.Show("łăő¼ŀłăĹłăŀĂąľřĹŇĂ¾ĚŞĿÐęŐĹ¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbookdetail.focus() If txtbookauther.text = "" Then MessageBox.Show("łăő¼ŀłăĹłýŐůĹćŔŰŚ ůð¾űďăžůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbookauther.focus() If txtbookpublisher.text = "" Then MessageBox.Show("łăő¼ŀłăĹłýŐůĹęŻŀŞĿłčń čź¾űďăžůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbookpublisher.focus()

6 158 If txtbooktitle.text = "" Then MessageBox.Show("łăő¼ŀłăĹł ŀžěşŀðęőĺ¾űďăžůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbooktitle.focus() If txtbooksub.text = "" Then MessageBox.Show("łăő¼ŀłăĹłřąů ğňůěşŀðęőĺ¾űďăžůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbooksub.focus() If txtpricerent.text = "" Then MessageBox.Show("łăő¼ŀłăĹłăŀŽŀřýůŀĚŞĿÐęŐĹ¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtpricerent.focus() sqlcheck = "SELECT Book_id FROM tb_book WHERE (Book_id='" & CStr(txtBookID.Text) & "') ".CommandText = sqlcheck dr =.ExecuteReader() dr.read() If dr.hasrows = True Then MessageBox.Show("ţ ůęŀ ŀăğřčńů ŠŰĹ ŔąĚŞĿÐęŐĹţ¾ŰřŞŐůĹÐðŀł ŇăĚĿęĚŞĿÐęŐĹŞŇŰŚąŰď ", "ŠŰĹ Ŕąćń¾ćąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtbookid.text = "" txtbookid.focus() dr.close() If MessageBox.Show("Žő¼ ŰĹÐłŀăřčńů ŠŰĹ ŔąŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try sqladd = "INSERT INTO tb_book(book_id,book_isbn,book_name,book_author,book_detail,book_publisher,book_title,book_sub,pri ce_rent,book_status,bt_id,sup_id)values(" sqladd &= " '" & txtbookid.text & "'," sqladd &= " '" & txtbookisbn.text & "'," sqladd &= " '" & txtbookname.text & "'," sqladd &= " '" & txtbookdetail.text & "'," sqladd &= " '" & txtbookauther.text & "'," sqladd &= " '" & txtbookpublisher.text & "'," sqladd &= " " & txtbooktitle.text & "," sqladd &= " " & txtbooksub.text & ", " sqladd &= " " & txtpricerent.text & ", " sqladd &= " " & Book_status & ", " sqladd &= " '" & CStr(cmbType.SelectedValue) & "'," sqladd &= " '" & CStr(cmbSup.SelectedValue) & "' )" Conndata()

7 159.CommandText = sqladd.executenonquery() Catch ErrortoAdd As Exception MessageBox.Show("ţ ůęŀ ŀăğřčńů ŠŰĹ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrortoAdd.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtbookid.focus() txtbookid.selectall() Finally Conn.Close() End Try MessageBox.Show("řčńů ŠŰĹ ŔąĚŞĿÐęŐĹřăŇĂşăŰĹĂŚąŰď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) Cleardata() showbook() Private Sub cmdedit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdedit.click Dim sqledit As String If txtbookid.text = "" Then MessageBox.Show("łăő¼ŀłăĹłăĚĿęĚŞĿÐęŐĹ¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbookid.focus() If txtbookisbn.text = "" Then MessageBox.Show("łăő¼ŀłăĹłřąŠřăŇó̪ĿÐęŐĹ¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbookisbn.focus() If txtbookname.text = "" Then MessageBox.Show("łăő¼ŀłăĹłýŐůĹĚŞĿÐęŐĹ¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbookname.focus() If txtbookdetail.text = "" Then MessageBox.Show("łăő¼ŀłăĹłăŀĂąľřĹŇĂ¾ĚŞĿÐęŐĹ¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbookdetail.focus() If txtbookauther.text = "" Then MessageBox.Show("łăő¼ŀłăĹłýŐůĹćŔŰŚ ůð¾űďăžůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbookauther.focus()

8 160 If txtbookpublisher.text = "" Then MessageBox.Show("łăő¼ŀłăĹłýŐůĹęŻŀŞĿłčń čź¾űďăžůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbookpublisher.focus() If txtbooktitle.text = "" Then MessageBox.Show("łăő¼ŀłăĹł ŀžěşŀðęőĺ¾űďăžůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbooktitle.focus() If txtbooksub.text = "" Then MessageBox.Show("łăő¼ŀłăĹłřąů ğňůěşŀðęőĺ¾űďăžůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbooksub.focus() If txtpricerent.text = "" Then MessageBox.Show("łăő¼ŀłăĹłăŀŽŀřýůŀĚŞĿÐęŐĹ¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtpricerent.focus() If MessageBox.Show("Žő¼ ŰĹÐłŀ㌳ŰţŠŠŰĹ ŔąŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try sqledit = "UPDATE tb_book " sqledit &= " SET Book_isbn='" & txtbookisbn.text & "'," sqledit &= " Book_name='" & txtbookname.text & "'," sqledit &= " Book_Author='" & txtbookauther.text & "'," sqledit &= " Book_detail='" & txtbookdetail.text & "'," sqledit &= " Book_Publisher='" & txtbookpublisher.text & "'," sqledit &= " Book_Title=" & txtbooktitle.text & "," sqledit &= " Book_sub=" & txtbooksub.text & "," sqledit &= " Price_rent=" & txtpricerent.text & "," sqledit &= " Bt_id='" & CStr(cmbType.SelectedValue) & "'," sqledit &= " Sup_id='" & CStr(cmbSup.SelectedValue) & "' " sqledit &= "WHERE (Book_id='" & txtbookid.text & "' )".CommandText = sqledit.executenonquery() Catch ErrorToUpdate As Exception MessageBox.Show("ţ ůęŀ ŀăğśłűţššűĺ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrorToUpdate.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close() End Try MessageBox.Show("ŚłŰţŠŠŰĹ ŔąĚŞĿÐęŐĹřăŇĂşăŰĹĂŚąŰď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK,

9 161 MessageBoxIcon.Information) Cleardata() showbook() Private Sub cmddelete_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmddelete.click Dim sqldelete As String Dim tmprowsaffected As Short If MessageBox.Show("Žő¼ ŰĹÐłŀăąşŠŰĹ ŔąŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try sqldelete = "DELETE FROM tb_book " sqldelete &= "WHERE (Book_id='" & txtbookid.text & "')" Conndata().CommandText = sqldelete tmprowsaffected = CShort(.ExecuteNonQuery()) If tmprowsaffected = 0 Then MessageBox.Show("ţ ů ŇăĚĿęĚŞĿÐęŐĹğŇůŽő¼ ŰĹÐłŀăąş ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) txtbookid.focus() Catch ErrorToDelete As Exception MessageBox.Show("ţ ůęŀ ŀăğąşšűĺ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrorToDelete.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtbookid.focus() Finally Conn.Close() End Try MessageBox.Show("ąşŠŰĹ ŔąĆăľř ğěşŀðęőĺřăňăşăűĺăśąűď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) Cleardata() showbook() Private Sub cmdclear_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdclear.click Cleardata() Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close()

10 162 Private Sub txtbookid_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtbookid.keypress If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub txtbookisbn_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtbookisbn.keypress If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub txtbooktitle_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtbooktitle.keypress If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub txtbooksub_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtbooksub.keypress If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub txtpricerent_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtpricerent.keypress If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub grdbook_cellcontentclick(byval sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles grdbook.cellcontentclick cmbtype.text = "" cmbsup.text = "" If e.rowindex = grdbook.rows.count - 1 Then txtbookid.enabled = False With grdbook txtbookid.text =.Rows.Item(e.RowIndex).Cells(0).Value.ToString() txtbookisbn.text =.Rows.Item(e.RowIndex).Cells(1).Value.ToString() txtbookname.text =.Rows.Item(e.RowIndex).Cells(2).Value.ToString() txtbookdetail.text =.Rows.Item(e.RowIndex).Cells(3).Value.ToString() txtbookauther.text =.Rows.Item(e.RowIndex).Cells(4).Value.ToString() txtbookpublisher.text =.Rows.Item(e.RowIndex).Cells(5).Value.ToString() txtbooktitle.text =.Rows.Item(e.RowIndex).Cells(6).Value.ToString() txtbooksub.text =.Rows.Item(e.RowIndex).Cells(7).Value.ToString() txtpricerent.text =.Rows.Item(e.RowIndex).Cells(8).Value.ToString() cmbtype.selectedtext =.Rows.Item(e.RowIndex).Cells(9).Value.ToString cmbsup.selectedtext =.Rows.Item(e.RowIndex).Cells(10).Value.ToString

11 163 End Class Source Code ช อ Empemployee Option Explicit On Option Strict On Imports System.data Imports System.Data.OleDb Public Class Empemployee Dim Sex As String Dim cs As New DataGridViewCellStyle Private Sub Empemployee_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() GenerateID() showemployee() txtemid.enabled = False

12 164 ' ń¾ ůĺ²ŀşšűĺ Ŕą Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() 'Generate ăěŀęćăľř ğęńşžűŀ Private Sub GenerateID() Dim sqlgenerateid As String Dim tmpid As Integer Dim lastid As String dr.close() sqlgenerateid = "SELECT TOP 1 Li_id FROM tb_employee ORDER BY Li_id DESC" Conndata().CommandText = sqlgenerateid dr =.ExecuteReader dr.read() If dr.hasrows = True Then lastid = CStr(dr(0).ToString.Trim) tmpid = CInt(Microsoft.VisualBasic.Right(lastId, 6)) tmpid = tmpid + 1 lastid = tmpid.tostring("000000") txtemid.text = CStr(lastId) Else lastid = "000001" txtemid.text = CStr(lastId).ToString dr.close() Private Sub showemployee() Dim sqlemployee As String = "" sqlemployee = "SELECT Li_id,Li_name,Address,cardID,Sex,Telephone,Liuser,Lipassword FROM tb_employee" da = New OleDbDataAdapter(sqlEmployee, Conn) da.fill(ds, "tb_employee") With grdemployee.readonly = True.DataSource = ds.tables("tb_employee") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold)

13 165 With grdemployee.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęčşŀłðŀş".columns(1).headertext = "ýőůĺčşŀłðŀş ".Columns(2).HeaderText = "ğňůĺăŕů ".Columns(3).HeaderText = "řąšćăľðżŀ ĿďĆăľýŀýŞ".Columns(4).HeaderText = "řčđ".columns(5).headertext = "řşĺăźśğăđŀčğź ".Columns(6).HeaderText = "ýőůĺřšűŀăľşş ".Columns(7).HeaderText = "ăěŀęćůŀş ".Columns(0).Width = 95.Columns(1).Width = 98.Columns(2).Width = 105.Columns(3).Width = 150.Columns(4).Width = 40.Columns(5).Width = 100.Columns(6).Width = 85.Columns(7).Width = 70 ds.tables.clear() Private Sub cleardata() txtemname.text = "" txtemaddress.text = "" txtemcardid.text = "" txtphone.text = "" txtemusername.text = "" txtempassword.text = "" txtemid.enabled = False rdsex1.checked = False rdsex2.checked = False Private Sub cmdadd_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdadd.click Adddata() Private Sub Adddata() Dim stradd As String If txtemname.text = "" Then MessageBox.Show("łăő¼ŀłăĹłýŐůĹčŞĿłÐŀ޾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtemname.focus() If txtemaddress.text = "" Then MessageBox.Show("łăő¼ŀłăĹłğŇůĹĂŔů¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtemaddress.focus()

14 166 If txtemcardid.text = "" Then MessageBox.Show("łăő¼ŀłăĹłřąŠĆăľðŻŀ Ŀď¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtemcardid.focus() If rdsex1.checked = True Then Sex = "ýŀă " If rdsex2.checked = True Then Sex = "Ě ńð" If txtphone.text = "" Then MessageBox.Show("łăő¼ŀłăĹłřşĹăźśğăĐĿčğź¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtphone.focus() If txtemusername.text = "" Then MessageBox.Show("łăő¼ŀłăĹłýŐůĹřŠŰŀăľşş¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtemusername.focus() If txtempassword.text = "" Then MessageBox.Show("łăő¼ŀłăĹłăĚĿęćůŀ޾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtempassword.focus() If MessageBox.Show("Žő¼ ŰĹÐłŀăřčńů ŠŰĹ Ŕąę ŀýńłţýůěăőĺţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try stradd = " INSERT INTO tb_employee(li_id,li_name,address,cardid,sex,telephone,liuser,lipassword) Values (" stradd &= " '" & txtemid.text & "'," stradd &= " '" & txtemname.text & "'," stradd &= " '" & txtemaddress.text & "'," stradd &= " '" & txtemcardid.text & "'," stradd &= " '" & Sex & "'," stradd &= " '" & txtphone.text & "'," stradd &= " '" & txtemusername.text & "'," stradd &= " '" & txtempassword.text & "' ) " 'Conndata().CommandText = stradd.executenonquery() Catch ErrortoAdd As Exception MessageBox.Show("ţ ůęŀ ŀăğřčńů ŠŰĹ Ŕąţ¾Ű řşőůĺððŀł " & ErrortoAdd.Message, "ŠŰĹćń¾čąŀ¾ ",

15 167 MessageBoxButtons.OK, MessageBoxIcon.Error) txtemid.focus() Finally Conn.Close() End Try MessageBox.Show("řčńů ŠŰĹ ŔąčŞĿłÐŀŞřăŇĂşăŰĹĂŚąŰď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) cleardata() showemployee() GenerateID() Private Sub cmdedit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdedit.click Dim sqledit As String If txtemname.text = "" And txtemaddress.text = "" And txtemcardid.text = "" And txtphone.text = "" And txtemusername.text = "" And txtempassword.text = "" Then MessageBox.Show("łăő¼ŀłăĹłŠŰĹ ŔąŢĚŰŽăş¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) If rdsex1.checked = False And rdsex2.checked = False Then MessageBox.Show("łăő¼ŀřąŐĹłřčĐ¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) If rdsex1.checked = True Then Sex = "ýŀă " If rdsex2.checked = True Then Sex = "Ě ńð" If MessageBox.Show("Žő¼ ŰĹÐłŀ㌳ŰţŠŠŰĹ ŔąŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try sqledit = "UPDATE tb_employee " sqledit &= "SET Li_name='" & txtemname.text & "'," sqledit &= " Address='" & txtemaddress.text & "'," sqledit &= " cardid='" & txtemcardid.text & "'," sqledit &= " Sex='" & Sex & "'," sqledit &= " Telephone='" & txtphone.text & "'," sqledit &= " Liuser='" & txtemusername.text & "'," sqledit &= " Lipassword='" & txtempassword.text & "'" sqledit &= "WHERE (Li_id='" & txtemid.text & "' )".CommandText = sqledit.executenonquery() Catch ErrorToUpdate As Exception

16 168 MessageBox.Show("ţ ůęŀ ŀăğśłűţššűĺ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrorToUpdate.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close() End Try MessageBox.Show("ŚłŰţŠŠŰĹ ŔąčŞĿłÐŀŞřăŇĂşăŰĹĂŚąŰď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) cleardata() showemployee() txtemid.enabled = False GenerateID() Private Sub cmddelete_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmddelete.click Dim sqldelete As String Dim tmprowsaffected As Short If MessageBox.Show("Žő¼ ŰĹÐłŀăąşŠŰĹ ŔąŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try sqldelete = "DELETE FROM tb_employee " sqldelete &= "WHERE (Li_id='" & txtemid.text & "')" 'Conndata().CommandText = sqldelete tmprowsaffected = CShort(.ExecuteNonQuery()) If tmprowsaffected = 0 Then MessageBox.Show("ţ ů ŇăĚĿęčŞĿłÐŀŞğŇůŽő¼ ŰĹÐłŀăąş ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) txtemid.focus() Catch ErrorToDelete As Exception MessageBox.Show("ţ ůęŀ ŀăğąşšűĺ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrorToDelete.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtemid.focus() Finally Conn.Close() End Try MessageBox.Show("ąşŠŰĹ ŔąčŞĿłÐŀŞřăŇĂşăŰĹĂŚąŰď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) cleardata() showemployee() txtemid.enabled = False GenerateID()

17 169 Private Sub cmdclear_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdclear.click cleardata() GenerateID() Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close() Private Sub txtemcardid_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtemcardid.keypress If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub txtphone_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtphone.keypress If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub grdemployee_cellcontentclick(byval sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles grdemployee.cellcontentclick Dim Sexx As String If e.rowindex = grdemployee.rows.count - 1 Then txtemid.enabled = False With grdemployee txtemid.text =.Rows.Item(e.RowIndex).Cells(0).Value.ToString() txtemname.text =.Rows.Item(e.RowIndex).Cells(1).Value.ToString() txtemaddress.text =.Rows.Item(e.RowIndex).Cells(2).Value.ToString() txtemcardid.text =.Rows.Item(e.RowIndex).Cells(3).Value.ToString() Sexx =.Rows.Item(e.RowIndex).Cells(4).Value.ToString() txtphone.text =.Rows.Item(e.RowIndex).Cells(5).Value.ToString() txtemusername.text =.Rows.Item(e.RowIndex).Cells(6).Value.ToString() txtempassword.text =.Rows.Item(e.RowIndex).Cells(7).Value.ToString() If Sexx = "ýŀă " Then rdsex1.checked = True If Sexx = "Ě ńð" Then rdsex2.checked = True End Class

18 170 Source Code ช อ Empmember Option Explicit On Option Strict On Imports System.data Imports System.Data.OleDb Public Class Empmember Dim Sex As String = "" Private Sub Empmember_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load GenerateID() showmember() txtmemid.enabled = False Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() Private Sub GenerateID() Dim sqlgenerateid As String Dim tmpid As Integer Dim lastid As String dr.close() sqlgenerateid = "SELECT TOP 1 Mem_id FROM tb_member ORDER BY Mem_id DESC" Conndata().CommandText = sqlgenerateid dr =.ExecuteReader dr.read() If dr.hasrows = True Then lastid = CStr(dr(0).ToString.Trim) tmpid = CInt(Microsoft.VisualBasic.Right(lastId, 6)) tmpid = tmpid + 1 lastid = tmpid.tostring("000000") txtmemid.text = CStr(lastId) Else lastid = "000001" txtmemid.text = CStr(lastId) dr.close()

19 171 Private Sub showmember() Dim sqlmember As String Dim cs As New DataGridViewCellStyle sqlmember = "SELECT Mem_id,Mem_name,Sex,card_ID,Address,Phone FROM tb_member" da = New OleDbDataAdapter(sqlMember, Conn) da.fill(ds, "tb_member") With grdmember.readonly = True.DataSource = ds.tables("tb_member") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdmember.columns(0).headertext = "ăěŀęę ŀýńł".columns(1).headertext = "ýőůĺ -ęłőą".columns(2).headertext = "řčđ".columns(3).headertext = "řąšćăľðżŀ ĿďĆăľýŀýŞ".Columns(4).HeaderText = "ğňůĺăŕů ".Columns(5).HeaderText = "řşĺăźśğăđŀčğź ".Columns(0).Width = 100.Columns(1).Width = 130.Columns(2).Width = 50.Columns(3).Width = 170.Columns(4).Width = 172.Columns(5).Width = 120 ds.tables.clear() Private Sub cleardata() txtmemid.text = "" txtfname.text = "" txtcardid.text = "" txtaddress.text = "" txtphone.text = "" rdsex1.checked = False rdsex2.checked = False txtmemid.enabled = False Private Sub cmdadd_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdadd.click Adddata() Private Sub Adddata() Dim stradd As String If txtfname.text = "" Then MessageBox.Show("łăő¼ŀłăĹłýŐůĹę ŀýńł¾űďăžůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtfname.focus()

20 172 If rdsex1.checked = True Then Sex = "ýŀă " If rdsex2.checked = True Then Sex = "Ě ńð" If txtcardid.text = "" Then MessageBox.Show("łăő¼ŀłăĹłğŇůĹĂŔů¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtcardid.focus() If txtaddress.text = "" Then MessageBox.Show("łăő¼ŀłăĹłřąŠĆăľðŻŀ ĿďĆăľýŀý޾ŰďĂŽůľ¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtaddress.focus() If txtphone.text = "" Then MessageBox.Show("łăő¼ŀłăĹłĚ ŀăřąšśğăđŀčğź¾űďăžůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtphone.focus() If MessageBox.Show("Žő¼ ŰĹÐłŀăřčńů ŠŰĹ Ŕąę ŀýńłţýůěăőĺţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try stradd = " INSERT INTO tb_member(mem_id,mem_name,sex,card_id,address,phone) Values (" stradd &= " '" & CStr(Trim(txtMemID.Text)) & "'," stradd &= " '" & txtfname.text & "'," stradd &= " '" & Sex & "'," stradd &= " '" & txtcardid.text & "'," stradd &= " '" & CStr(Trim(txtAddress.Text)) & "'," stradd &= " '" & txtphone.text & "' ) " 'Conndata().CommandText = stradd.executenonquery() Catch ErrortoAdd As Exception MessageBox.Show("ţ ůęŀ ŀăğřčńů ŠŰĹ Ŕąţ¾Ű řşőůĺððŀł " & ErrortoAdd.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtmemid.focus() Finally Conn.Close() End Try

21 173 MessageBox.Show("řčńů ŠŰĹ Ŕąę ŀýńłřăňăşăűĺăśąűď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) cleardata() showmember() GenerateID() Private Sub cmdedit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdedit.click ' ŚłŰţŠŠŰĹ Ŕąę ŀýńł Dim sqledit As String If rdsex1.checked = True Then Sex = "ýŀă " If rdsex2.checked = True Then Sex = "Ě ńð" If MessageBox.Show("Žő¼ ŰĹÐłŀ㌳ŰţŠŠŰĹ ŔąŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try sqledit = "UPDATE tb_member " sqledit &= "SET Mem_name='" & txtfname.text & "'," sqledit &= " Sex='" & Sex & "'," sqledit &= " card_id='" & txtcardid.text & "'," sqledit &= " Address='" & txtaddress.text & "'," sqledit &= " Phone='" & txtphone.text & "' " sqledit &= "WHERE (Mem_id='" & txtmemid.text & "' )".CommandText = sqledit.executenonquery() Catch ErrorToUpdate As Exception MessageBox.Show("ţ ůęŀ ŀăğśłűţššűĺ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrorToUpdate.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close() End Try MessageBox.Show("ŚłŰţŠŠŰĹ Ŕąę ŀýńłřăňăşăűĺăśąűď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) cleardata() showmember() txtmemid.enabled = False GenerateID() Private Sub cmddelete_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmddelete.click

22 174 ' ąşšűĺ Ŕąę ŀýńł Dim sqldelete As String Dim tmprowsaffected As Short If MessageBox.Show("Žő¼ ŰĹÐłŀăąşŠŰĹ ŔąŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try sqldelete = "DELETE FROM tb_member " sqldelete &= "WHERE (Mem_id='" & txtmemid.text & "')" Conndata().CommandText = sqldelete tmprowsaffected = CShort(.ExecuteNonQuery()) If tmprowsaffected = 0 Then MessageBox.Show("ţ ů ŇřąŠĆăľðŻŀ ĿďğŇůŽő¼ ŰĹÐłŀăąş ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) txtmemid.focus() Catch ErrorToDelete As Exception MessageBox.Show("ţ ůęŀ ŀăğąşšűĺ Ŕąţ¾Ű řşőůĺððŀł " & ErrorToDelete.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close() End Try MessageBox.Show("ąşŠŰĹ Ŕąę ŀýńłřăňăşăűĺăśąűď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) cleardata() showmember() txtmemid.enabled = False GenerateID() Private Sub cmdclear_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdclear.click cleardata() GenerateID() Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close() Private Sub txtphone_keydown(byval sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles txtaddress.keydown If e.keycode = Keys.Enter Then Adddata()

23 175 Private Sub txtcardid_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtcardid.keypress If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub txtphone_keypress1(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtphone.keypress If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub grdmember_cellcontentclick(byval sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles grdmember.cellcontentclick Dim Sexx As String If e.rowindex = grdmember.rows.count - 1 Then txtmemid.enabled = False With grdmember txtmemid.text =.Rows.Item(e.RowIndex).Cells(0).Value.ToString() txtfname.text =.Rows.Item(e.RowIndex).Cells(1).Value.ToString() Sexx =.Rows.Item(e.RowIndex).Cells(2).Value.ToString() txtcardid.text =.Rows.Item(e.RowIndex).Cells(3).Value.ToString() txtaddress.text =.Rows.Item(e.RowIndex).Cells(4).Value.ToString() txtphone.text =.Rows.Item(e.RowIndex).Cells(5).Value.ToString() ' txtfname.text =.Rows.Item(e.RowIndex).Cells(5).Value.ToString() If Sexx = "ýŀă " Then rdsex1.checked = True If Sexx = "Ě ńð" Then rdsex2.checked = True End Class Source Code ช อ Emporder Option Explicit On Option Strict On Imports System.data Imports System.Data.OleDb Public Class Emporder

24 176 Dim cs As New DataGridViewCellStyle Dim Full_name As String ' ýőůĺčşŀłðŀş Dim EmpID As String ' ăěŀęčşŀłðŀş Dim sup_id As String ' ăěŀę ĿďŚğŞðŻŀĚŞůŀĂ Dim mydinamic() As Integer Dim Sizes As Integer Dim i As Integer Dim j As Integer Dim book_status As Integer = 1 Dim price_status As Integer = 1 Dim booknum As Integer 'ðżŀşďşěşŀðęőĺğŀűðě ¾ Dim sumprice As Integer 'ðżŀşďşřðńşğŀűðě ¾ Dim tmp1 As String = "" Dim tmp2 As String = "" Dim tmp3 As String = "" Private Sub Emporder_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() GenerateID() showname() showgridview() 'showorder() showsuplier() cmbsuplier.text = "řąőĺł ĿďŚğŞðŻŀĚŞůŀĂ " txtempname.enabled = False txtorderid.enabled = False dtpdate.enabled = False txtsumbook.enabled = False txtsumprice.enabled = False Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() Private Sub GenerateID() Dim sqlorder As String Dim tmpid As Integer Dim lastid As String = "" sqlorder = "SELECT TOP 1 Order_id FROM tb_order ORDER BY Order_id DESC" Conndata()

25 177.CommandText = sqlorder dr =.ExecuteReader dr.read() If dr.hasrows Then lastid = CStr(dr(0).ToString.Trim) tmpid = CInt(Microsoft.VisualBasic.Right(lastId, 6)) tmpid = tmpid + 1 lastid = tmpid.tostring("000000") txtorderid.text = CStr(lastId) Else lastid = "000001" txtorderid.text = CStr(lastId) dr.close() Private Sub showname() Dim sqlname As String sqlname = "SELECT Li_id,Li_name FROM tb_employee WHERE (Liuser='" & CStr(U_name) & "')".CommandText = sqlname dr =.ExecuteReader() dr.read() EmpID = CStr(dr.Item("Li_id")) Full_name = CStr(dr.Item("Li_name")) txtempname.text = Full_name Private Sub showgridview() Dim cs As New DataGridViewCellStyle cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdorder.columnheadersdefaultcellstyle = cs.columns.add(cstr(0), "ăěŀęęŀůðþőűĺ ").Columns.Add(CStr(1), "ýőůĺěşŀðęőĺ ").Columns.Add(CStr(2), "ðżŀşďş").columns.add(cstr(3), "ăŀžŀ ůĺřąů ").Columns.Add(CStr(4), "ęŀůðþőűĺś¾ă ").Columns(0).Width = 150.Columns(1).Width = 150.Columns(2).Width = 150.Columns(3).Width = 150.Columns(4).Width = 142

26 178 'Private Sub showorder() ' Dim sqlorder As String = "" ' sqlorder = "SELECT Order_Id,book_name,book_num,book_price FROM tb_orderdetail " ' da = New OleDbDataAdapter(sqlOrder, Conn) ' da.fill(ds, "tb_orderdetail") ' With grdorderdetail '.ReadOnly = True '.DataSource = ds.tables("tb_orderdetail") ' ' cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) ' ' ' ' ' ' With grdorderdetail.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęęŀůðþőűĺ ".Columns(1).HeaderText = "ýőůĺěşŀðęőĺ ".Columns(2).HeaderText = "ðżŀşďş".columns(3).headertext = "ăŀžŀ ůĺřąů " '.Columns(0).Width = 100 '.Columns(1).Width = 100 '.Columns(2).Width = 100 '.Columns(3).Width = 120 ' ' ds.tables.clear() ' Private Sub showsuplier() Dim sqlsuplier As String sqlsuplier = "SELECT * FROM tb_supplier" da = New OleDbDataAdapter(sqlSuplier, Conn) da.fill(ds, "tb_supplier") With cmbsuplier.datasource = ds.tables("tb_supplier").displaymember = "Sup_name".ValueMember = "Sup_id".DataBindings.Add("SelectedValue", ds, "tb_supplier.sup_id") ds.tables.clear() Private Sub cmdok_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdok.click sup_id = CStr(cmbSuplier.SelectedValue) showbook(sup_id) Private Sub showbook(byval supname As String) Dim sqlbook As String sqlbook = "SELECT book_name FROM tb_book WHERE Sup_id='" & supname & "' "

27 179 da = New OleDbDataAdapter(sqlBook, Conn) da.fill(ds, "tb_book") With grdbook.readonly = True.DataSource = ds.tables("tb_book") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdbook.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ýőůĺěşŀðęőĺ ".Columns(0).Width = 155 ds.tables.clear() Private Sub cleardata() txtbookname.text = "" txtbooknum.text = "" txtbookprice.text = "" txtbookname.enabled = True ' cmbsuplier.text = "řąőĺł ĿďŚğŞðŻŀĚŞůŀĂ " ' Me.grdbook.DataSource = Nothing Private Sub cleardata2() Me.grdOrder.Rows.Clear() booknum = 0 sumprice = 0 txtsumbook.text = "" txtsumprice.text = "" Private Sub cmdadd_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdadd.click Addgrid() Private Sub Addgrid() Dim book_name As String Dim book_num As Integer Dim book_price As Integer Dim sum_book As Integer Dim summoney As Integer Dim priceorder As Integer ReDim Preserve mydinamic(sizes - 1) If txtbookname.text = "" Then MessageBox.Show("łăő¼ŀýŐůĹĚŞĿÐęŐĹŢĚŰĞŔł ŰĹоŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error)

28 180 txtbookname.text = "" txtbookname.focus() If txtbooknum.text = "" Then MessageBox.Show("łăő¼ŀðŻŀŞďŞĚŞĿÐęŐĹŢĚŰĞŔł ŰĹоŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtbooknum.text = "" txtbooknum.focus() If txtbookprice.text = "" Then MessageBox.Show("łăő¼ŀăŀŽŀ ůĺřąů ŢĚŰĞŔł ŰĹоŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtbookprice.text = "" txtbookprice.focus() book_name = Trim(txtbookname.Text) book_num = CInt(txtbooknum.Text) book_price = CInt(txtbookprice.Text) summoney = CInt(book_num) * CInt(book_price) ' ðżŀşďşřðńş sum_book = sum_book + book_num priceorder = priceorder + summoney For i = 0 To mydinamic.getlowerbound(0) If book_num < 1 Then MessageBox.Show("łăő¼ŀłăĹłðŻŀŞďŞŢĚŰĞŔł ŰĹоŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtbooknum.text = "" 'řčńů ŠŰĹ ŔąąÐŢŞ ŀăŀð Me.grdOrder.Rows.Add(Me.txtorderID.Text, book_name, book_num, book_price, Full_name) dr.close() Next booknum = booknum + sum_book sumprice = sumprice + priceorder txtsumbook.text = CStr(bookNum) txtsumprice.text = CStr(sumprice) 'booknum = 0 'sumprice = 0 cleardata() Private Sub cmdcancel1_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdcancel1.click

29 181 cleardata() Private Sub cmdsave_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdsave.click Dim sqladd1 As String Dim sqladd2 As String Dim Dates As String Dates = dtpdate.value.tostring("dd/mm/yyyy") If MessageBox.Show("Žő¼ ŰĹÐłŀăşĿŞğňłŠŰĹ ŔąłŀăęĿůÐÞŐŰĹŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Information) = Windows.Forms.DialogResult.Yes Then If txtsumbook.text = "" And txtsumprice.text = "" Then MessageBox.Show("łăő¼ŀęĿůÐÞŐŰĹęńŞŽŰŀ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) Try sqladd1 = "INSERT INTO tb_order(order_id,li_id,sup_id,order_net,order_pricenet,order_date,status,price_status)values(" sqladd1 &= " '" & txtorderid.text & "'," sqladd1 &= " '" & EmpID & "'," sqladd1 &= " '" & sup_id & "'," sqladd1 &= " " & booknum & "," sqladd1 &= " " & sumprice & "," sqladd1 &= " '" & Dates & "'," sqladd1 &= " " & book_status & "," sqladd1 &= " " & price_status & " )" Conndata().CommandText = sqladd1.executenonquery() For j = 0 To Me.grdOrder.Rows.Count - 1 tmp1 = CStr(grdOrder.Rows.Item(j).Cells(1).Value) tmp2 = CStr(grdOrder.Rows.Item(j).Cells(2).Value) tmp3 = CStr(grdOrder.Rows.Item(j).Cells(3).Value) If (tmp1 = "") And (tmp2 = "") And (tmp3 = "") Then Exit Try sqladd2 = "INSERT INTO tb_orderdetail(order_id,book_name,book_num,book_price)values(" sqladd2 &= " '" & txtorderid.text & "'," sqladd2 &= " '" & tmp1 & "'," sqladd2 &= " " & tmp2 & "," sqladd2 &= " " & tmp3 & ")"

30 182.CommandText = sqladd2.executenonquery() Next Catch ErrortoAdd As Exception MessageBox.Show("ţ ůęŀ ŀăğřčńů ŠŰĹ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrortoAdd.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close() End Try MessageBox.Show("řčńů ŠŰĹ ŔąłŀăęĿůÐÞŐŰĹĚŞĿÐęŐĹřăŇĂşăŰĹĂŚąŰď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) booknum = 0 sumprice = 0 cleardata2() GenerateID() ' showorder() Private Sub cmdcancel2_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdcancel2.click cleardata2() Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close() Private Sub txtbooknum_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtbooknum.keypress If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub txtbookprice_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtbookprice.keypress If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub grdbook_cellcontentclick(byval sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles grdbook.cellcontentclick If e.rowindex = grdbook.rows.count - 1 Then With grdbook txtbookname.text =.Rows.Item(e.RowIndex).Cells(0).Value.ToString() txtbookname.enabled = False End Class

31 183 Source Code ช อ Emporderdetail Option Explicit On Option Strict On Imports System.data Imports System.Data.OleDb Public Class Emporderdetail Private Sub Emporderdetail_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() showorder() Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() Private Sub showorder() Dim sqlorder As String = "" Dim cs As New DataGridViewCellStyle sqlorder = "SELECT tb_orderdetail.order_id,tb_supplier.sup_name,tb_orderdetail.book_name,tb_orderdetail.book_num,tb_orderd etail.book_price,tb_order.order_pricenet,tb_order.order_date FROM tb_orderdetail,tb_order,tb_supplier WHERE tb_orderdetail.order_id=tb_order.order_id AND tb_order.sup_id=tb_supplier.sup_id " da = New OleDbDataAdapter(sqlOrder, Conn) da.fill(ds, "tb_orderdetail") With grdorderdetail.readonly = True.DataSource = ds.tables("tb_orderdetail") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdorderdetail.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęęŀůðþőűĺ ".Columns(1).HeaderText = "ýőůĺ ĿďŚğŞðŻŀĚŞůŀĂ ".Columns(2).HeaderText = "ýőůĺěşŀðęőĺ ".Columns(3).HeaderText = "ðżŀşďş".columns(4).headertext = "ăŀžŀ ůĺřąů ".Columns(5).HeaderText = "ăŀžŀăď ".Columns(6).HeaderText = "ďŀşğňůęŀůðþőűĺ "

32 184.Columns(0).Width = 100.Columns(1).Width = 140.Columns(2).Width = 100.Columns(3).Width = 65.Columns(4).Width = 100.Columns(5).Width = 100.Columns(6).Width = 90 ds.tables.clear() Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close() End Class Source Code ช อ Emppay Option Explicit On Option Strict On Imports System.data Imports System.Data.OleDb Public Class Emppay Dim cs As New DataGridViewCellStyle Dim Full_name As String ' ýőůĺčşŀłðŀş Dim EmpID As String ' ăěŀęčşŀłðŀş Dim orderid As String Dim i As Integer Dim tmp1 As String = "" Dim tmp2 As String = "" Dim status1 As Integer = 2 Dim status2 As Integer = 1 Dim Order_Net As Integer Private Sub Emppay_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() GenerateID() showname() showorder1() showorder2(orderid) dtpdate.enabled = False txtempname.enabled = False txtpayid.enabled = False Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open()

33 185 Private Sub GenerateID() Dim sqlorder As String Dim tmpid As Integer Dim lastid As String = "" sqlorder = "SELECT TOP 1 pay_id FROM tb_pay ORDER BY pay_id DESC" Conndata().CommandText = sqlorder dr =.ExecuteReader dr.read() If dr.hasrows Then lastid = CStr(dr(0).ToString.Trim) tmpid = CInt(Microsoft.VisualBasic.Right(lastId, 6)) tmpid = tmpid + 1 lastid = tmpid.tostring("000000") txtpayid.text = CStr(lastId) Else lastid = "000001" txtpayid.text = CStr(lastId) dr.close() Private Sub showname() Dim sqlname As String sqlname = "SELECT Li_id,Li_name FROM tb_employee WHERE (Liuser='" & CStr(U_name) & "')".CommandText = sqlname dr =.ExecuteReader() dr.read() EmpID = CStr(dr.Item("Li_id")) Full_name = CStr(dr.Item("Li_name")) txtempname.text = Full_name Private Sub showorder1() Dim sqlorder As String sqlorder = "SELECT tb_order.order_id,tb_order.order_net,tb_order.order_pricenet,tb_order.order_date FROM tb_order WHERE tb_order.price_status=" & status2 & " "

34 186 da = New OleDbDataAdapter(sqlOrder, Conn) da.fill(ds, "tb_order") With grdorder1.readonly = True.DataSource = ds.tables("tb_order") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdorder1.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęęŀůðþőűĺ ".Columns(1).HeaderText = "ðżŀşďşğŀűðě ¾ ".Columns(2).HeaderText = "ăŀžŀăď ".Columns(3).HeaderText = "ďŀşğňůęŀůðþőűĺ ".Columns(0).Width = 200.Columns(1).Width = 200.Columns(2).Width = 200.Columns(3).Width = 145 ds.tables.clear() Private Sub grdorder1_cellcontentclick(byval sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles grdorder1.cellcontentclick If e.rowindex = grdorder1.rows.count - 1 Then With grdorder1 orderid =.Rows.Item(e.RowIndex).Cells(0).Value.ToString() Order_Net = CInt(.Rows.Item(e.RowIndex).Cells(1).Value.ToString()) showorder2(orderid) Private Sub showorder2(byval ID As String) Dim sqlorder As String sqlorder = "SELECT tb_orderdetail.order_id,tb_orderdetail.book_name,tb_orderdetail.book_num,tb_orderdetail.book_price FROM tb_orderdetail WHERE tb_orderdetail.order_id='" & ID & "' " da = New OleDbDataAdapter(sqlOrder, Conn) da.fill(ds, "tb_orderdetail") With grdorder2.readonly = True.DataSource = ds.tables("tb_orderdetail") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdorder2

35 187.ColumnHeadersDefaultCellStyle = cs.columns(0).headertext = "ăěŀęęŀůðþőűĺ ".Columns(1).HeaderText = "ýőůĺěşŀðęőĺ ".Columns(2).HeaderText = "ðżŀşďş".columns(3).headertext = "ăŀžŀ ůĺřąů ".Columns(0).Width = 200.Columns(1).Width = 200.Columns(2).Width = 200.Columns(3).Width = 145 ds.tables.clear() Private Sub cmdsave_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdsave.click Adddata() Private Sub Adddata() Dim sqladd1 As String Dim sqladd2 As String Dim sqledit As String Dim Dates As String Dates = dtpdate.value.tostring("dd/mm/yyyy") If MessageBox.Show("Žő¼ ŰĹÐłŀăşĿŞğňłŠŰĹ ŔąłŀăęĿůÐÞŐŰĹŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Information) = Windows.Forms.DialogResult.Yes Then Try sqladd1 = "INSERT INTO tb_pay(pay_id,li_id,order_net,pay_date)values(" sqladd1 &= " '" & txtpayid.text & "'," sqladd1 &= " '" & EmpID & "'," sqladd1 &= " " & Order_Net & "," sqladd1 &= " '" & Dates & "' )" Conndata().CommandText = sqladd1.executenonquery() For i = 0 To Me.grdOrder2.Rows.Count - 1 tmp1 = CStr(grdOrder2.Rows.Item(i).Cells(1).Value) tmp2 = CStr(grdOrder2.Rows.Item(i).Cells(2).Value) If (tmp1 = "") And (tmp2 = "") Then Exit Try sqladd2 = "INSERT INTO tb_paydetail(pay_id,book_name,book_num)values(" sqladd2 &= " '" & txtpayid.text & "'," sqladd2 &= " '" & tmp1 & "',"

36 188 sqladd2 &= " " & tmp2 & ")".CommandText = sqladd2.executenonquery() Next Catch ErrortoAdd As Exception MessageBox.Show("ţ ůęŀ ŀăğřčńů ŠŰĹ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrortoAdd.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close() End Try Try sqledit = "UPDATE tb_order " sqledit &= "SET price_status=" & status1 & " " sqledit &= "WHERE (Order_Id='" & orderid & "' )" Conndata().CommandText = sqledit.executenonquery() Catch ErrortoAdd As Exception MessageBox.Show("ţ ůęŀ ŀăğśłűţššűĺ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrortoAdd.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close() End Try MessageBox.Show("řčńů ŠŰĹ ŔąłŀăăĿşĚŞĿÐęŐĹřăŇĂşăŰĹĂŚąŰď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) GenerateID() showorder1() ' showrec() cleardata2() Private Sub cmdcancel_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdcancel.click cleardata2() Private Sub cleardata2() Me.grdOrder2.DataSource = Nothing

37 189 Private Sub txtorderid_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close() End Class Source Code ช อ Emppaydetail Option Explicit On Option Strict On Imports System.data Imports System.Data.OleDb Public Class Emppaydetail Private Sub Emppaydetail_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() showrec() Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() Private Sub showrec() Dim sqlrec As String Dim cs As New DataGridViewCellStyle sqlrec = "SELECT tb_pay.pay_id,tb_employee.li_name,tb_paydetail.book_name,tb_paydetail.book_num,tb_pay.pay_date FROM tb_pay,tb_employee,tb_paydetail WHERE tb_pay.li_id=tb_employee.li_id AND tb_paydetail.pay_id=tb_paydetail.pay_id " da = New OleDbDataAdapter(sqlRec, Conn) da.fill(ds, "tb_receive_bookdetail") With grdrecdetail.readonly = True.DataSource = ds.tables("tb_receive_bookdetail")

38 190 cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdrecdetail.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęðůŀăýżŀăľ ".Columns(1).HeaderText = "ýőůĺćŕűăŀş ".Columns(2).HeaderText = "ýőůĺěşŀðęőĺ ".Columns(3).HeaderText = "ðżŀşďş".columns(4).headertext = "ďŀşğňů ".Columns(0).Width = 150.Columns(1).Width = 150.Columns(2).Width = 150.Columns(3).Width = 95.Columns(4).Width = 150 ds.tables.clear() Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close() End Class Source Code ช อ Empreceive Option Explicit On Option Strict On Imports System.data Imports System.Data.OleDb Public Class Empreceive Dim cs As New DataGridViewCellStyle Dim Full_name As String ' ýőůĺčşŀłðŀş Dim EmpID As String ' ăěŀęčşŀłðŀş Dim orderid As String Dim i As Integer Dim tmp1 As String = "" Dim tmp2 As String = "" Dim status1 As Integer = 2 Dim status2 As Integer = 1 Dim Order_Net As Integer Private Sub Empreceive_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() GenerateID()

39 191 showname() showorder1() showorder2(orderid) dtpdate.enabled = False txtempname.enabled = False txtreid.enabled = False Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() Private Sub GenerateID() Dim sqlorder As String Dim tmpid As Integer Dim lastid As String = "" sqlorder = "SELECT TOP 1 Re_ID FROM tb_receive_book ORDER BY Re_ID DESC" Conndata().CommandText = sqlorder dr =.ExecuteReader dr.read() If dr.hasrows Then lastid = CStr(dr(0).ToString.Trim) tmpid = CInt(Microsoft.VisualBasic.Right(lastId, 6)) tmpid = tmpid + 1 lastid = tmpid.tostring("000000") txtreid.text = CStr(lastId) Else lastid = "000001" txtreid.text = CStr(lastId) dr.close() Private Sub showname() Dim sqlname As String sqlname = "SELECT Li_id,Li_name FROM tb_employee WHERE (Liuser='" & CStr(U_name) & "')".CommandText = sqlname dr =.ExecuteReader() dr.read()

40 192 EmpID = CStr(dr.Item("Li_id")) Full_name = CStr(dr.Item("Li_name")) txtempname.text = Full_name Private Sub showorder1() Dim sqlorder As String sqlorder = "SELECT tb_order.order_id,tb_order.order_net,tb_order.order_pricenet,tb_order.order_date FROM tb_order WHERE tb_order.status=" & status2 & " " da = New OleDbDataAdapter(sqlOrder, Conn) da.fill(ds, "tb_order") With grdorder1.readonly = True.DataSource = ds.tables("tb_order") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdorder1.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęęŀůðþőűĺ ".Columns(1).HeaderText = "ðżŀşďşğŀűðě ¾ ".Columns(2).HeaderText = "ăŀžŀăď ".Columns(3).HeaderText = "ďŀşğňůęŀůðþőűĺ ".Columns(0).Width = 200.Columns(1).Width = 200.Columns(2).Width = 200.Columns(3).Width = 145 ds.tables.clear() Private Sub grdorder1_cellcontentclick(byval sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles grdorder1.cellcontentclick If e.rowindex = grdorder1.rows.count - 1 Then With grdorder1 orderid =.Rows.Item(e.RowIndex).Cells(0).Value.ToString() Order_Net = CInt(.Rows.Item(e.RowIndex).Cells(1).Value.ToString()) showorder2(orderid) Private Sub showorder2(byval ID As String) Dim sqlorder As String sqlorder = "SELECT

41 193 tb_orderdetail.order_id,tb_orderdetail.book_name,tb_orderdetail.book_num,tb_orderdetail.book_price FROM tb_orderdetail WHERE tb_orderdetail.order_id='" & ID & "' " da = New OleDbDataAdapter(sqlOrder, Conn) da.fill(ds, "tb_orderdetail") With grdorder2.readonly = True.DataSource = ds.tables("tb_orderdetail") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdorder2.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęęŀůðþőűĺ ".Columns(1).HeaderText = "ýőůĺěşŀðęőĺ ".Columns(2).HeaderText = "ðżŀşďş".columns(3).headertext = "ăŀžŀ ůĺřąů ".Columns(0).Width = 200.Columns(1).Width = 200.Columns(2).Width = 200.Columns(3).Width = 145 ds.tables.clear() Private Sub cmdsave_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdsave.click Adddata() Private Sub Adddata() Dim sqladd1 As String Dim sqladd2 As String Dim sqledit As String Dim Dates As String Dates = dtpdate.value.tostring("dd/mm/yyyy") If MessageBox.Show("Žő¼ ŰĹÐłŀăşĿŞğňłŠŰĹ ŔąłŀăęĿůÐÞŐŰĹŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Information) = Windows.Forms.DialogResult.Yes Then Try sqladd1 = "INSERT INTO tb_receive_book(re_id,li_id,order_net,re_date)values(" sqladd1 &= " '" & txtreid.text & "'," sqladd1 &= " '" & EmpID & "'," sqladd1 &= " " & Order_Net & "," sqladd1 &= " '" & Dates & "' )" Conndata().CommandText = sqladd1

42 194.ExecuteNonQuery() For i = 0 To Me.grdOrder2.Rows.Count - 1 tmp1 = CStr(grdOrder2.Rows.Item(i).Cells(1).Value) tmp2 = CStr(grdOrder2.Rows.Item(i).Cells(2).Value) If (tmp1 = "") And (tmp2 = "") Then Exit Try sqladd2 = "INSERT INTO tb_receive_bookdetail(re_id,book_name,book_num)values(" sqladd2 &= " '" & txtreid.text & "'," sqladd2 &= " '" & tmp1 & "'," sqladd2 &= " " & tmp2 & ")".CommandText = sqladd2.executenonquery() Next Catch ErrortoAdd As Exception MessageBox.Show("ţ ůęŀ ŀăğřčńů ŠŰĹ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrortoAdd.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close() End Try Try sqledit = "UPDATE tb_order " sqledit &= "SET status=" & status1 & " " sqledit &= "WHERE (Order_Id='" & orderid & "' )" Conndata().CommandText = sqledit.executenonquery() Catch ErrortoAdd As Exception MessageBox.Show("ţ ůęŀ ŀăğśłűţššűĺ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrortoAdd.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close() End Try MessageBox.Show("řčńů ŠŰĹ ŔąłŀăăĿşĚŞĿÐęŐĹřăŇĂşăŰĹĂŚąŰď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK,

43 195 MessageBoxIcon.Information) GenerateID() showorder1() ' showrec() cleardata2() Private Sub cmdcancel_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdcancel.click cleardata2() Private Sub cleardata2() Me.grdOrder2.DataSource = Nothing Private Sub txtorderid_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close() End Class Source Code ช อ Empreceivedetail Option Explicit On Option Strict On Imports System.data Imports System.Data.OleDb Public Class Empreceivedetail Private Sub Empreceivedetail_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() showrec() Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() Private Sub showrec() Dim sqlrec As String

44 196 Dim cs As New DataGridViewCellStyle sqlrec = "SELECT tb_receive_book.re_id,tb_employee.li_name,tb_receive_bookdetail.book_name,tb_receive_bookdetail.book _num,tb_receive_book.re_date FROM tb_receive_book,tb_employee,tb_receive_bookdetail WHERE tb_receive_book.li_id=tb_employee.li_id AND tb_receive_book.re_id=tb_receive_bookdetail.re_id " da = New OleDbDataAdapter(sqlRec, Conn) da.fill(ds, "tb_receive_bookdetail") With grdrecdetail.readonly = True.DataSource = ds.tables("tb_receive_bookdetail") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdrecdetail.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęăŀşęńşžűŀ ".Columns(1).HeaderText = "ýőůĺćŕűăŀş ".Columns(2).HeaderText = "ýőůĺěşŀðęőĺ ".Columns(3).HeaderText = "ðżŀşďş".columns(4).headertext = "ďŀşğňů ".Columns(0).Width = 150.Columns(1).Width = 150.Columns(2).Width = 150.Columns(3).Width = 95.Columns(4).Width = 150 ds.tables.clear() Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close() End Class Source Code ช อ Emprentbook Option Explicit On Option Strict On Imports System.data Imports System.Data.OleDb Public Class Emprentbook Dim Full_name As String ' ýőůĺčşŀłðŀş Dim EmpID As String 'ăěŀęčşŀłðŀş

45 197 Dim cs As New DataGridViewCellStyle Dim mydinamic() As Integer Dim Sizes As Integer Dim tmp1 As String = "" Dim tmp2 As String = "" Dim tmp3 As String = "" Dim i As Integer Dim j As Integer Dim k As Integer Dim Book_id As String ' ăěŀęěşŀðęőĺ Dim Book_num As Integer = 1 Dim sum_book As Integer ' ðżŀşďşěşŀðęőĺğŀűðě ¾ğŇůĂŐ Dim Book_isbn As String Dim Book_name As String ' ýőůĺěşŀðęőĺ Dim Price_rent As Integer ' ăŀžŀřýůŀ Dim status As Integer Dim status1 As Integer = 2 Dim status_name As String = "" Dim booknum As Integer = 1 'ðżŀşďşăď ĚŞĿÐęŐĹğŇůĂŐ Dim sumprice As Single Dim SumMoney As Integer = 0 ' ðżŀşďşřðńşăď Dim PriceRent As Integer = 0 ' ðżŀşďşřðńşăď ğŀűðě ¾ Private Sub Emprentbook_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() GenerateID() showname() showgridview() DTPRent.Enabled = False txtempname.enabled = False txtrentid.enabled = False Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() 'Generate řąšğňůłŀăšŀăęńşžűŀ Private Sub GenerateID() Dim sqlorder As String Dim tmpid As Integer Dim lastid As String = "" sqlorder = "SELECT TOP 1 bor_id FROM tb_bookborrowing ORDER BY bor_id DESC" Conndata()

46 198.CommandText = sqlorder dr =.ExecuteReader dr.read() If dr.hasrows Then lastid = CStr(dr(0).ToString.Trim) tmpid = CInt(Microsoft.VisualBasic.Right(lastId, 6)) tmpid = tmpid + 1 lastid = tmpid.tostring("000000") txtrentid.text = CStr(lastId) Else lastid = "000001" txtrentid.text = CStr(lastId) dr.close() Private Sub showname() Dim sqlname As String sqlname = "SELECT Li_id,Li_name FROM tb_employee WHERE (Liuser='" & CStr(U_name) & "')".CommandText = sqlname dr =.ExecuteReader() dr.read() EmpID = CStr(dr.Item("Li_id")) Full_Name = CStr(dr.Item("Li_name")) txtempname.text = Full_name Private Sub showgridview() Dim cs As New DataGridViewCellStyle cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdbook.columnheadersdefaultcellstyle = cs.columns.add(cstr(0), "ăěŀęěşŀðęőĺ ").Columns.Add(CStr(1), "řąšřăňăłěşŀðęőĺ ").Columns.Add(CStr(2), "ýőůĺěşŀðęőĺ ").Columns.Add(CStr(3), "ðżŀşďşğňůăő ").Columns.Add(CStr(4), "ăŀžŀřýůŀ").columns.add(cstr(5), "ęğŀşľłŀăăő ").Columns(0).Width = 110.Columns(1).Width = 110.Columns(2).Width = 150.Columns(3).Width = 90.Columns(4).Width = 100

47 199.Columns(5).Width = 100 Private Sub txtbookid_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtbookid.keypress If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub txtbooknum_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True Private Sub cmdadd_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdadd.click Addgrid() Private Sub Addgrid() Dim strsql As String Dim Book_status As Integer ReDim Preserve mydinamic(sizes - 1) If txtbookid.text = "" Then MessageBox.Show("łăő¼ŀłăĹłăĚĿęĚŞĿÐęŐĹ¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtbookid.focus() 'If txtbooknum.text = "" Then ' MessageBox.Show("łăő¼ŀðŻŀŞďŞĚŞĿÐęŐĹŢĚŰĞŔł ŰĹоŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) ' txtbooknum.text = "" ' txtbooknum.focus() ' ' strsql = " SELECT Book_status FROM tb_book WHERE (Book_id='" & Trim(txtBookID.Text) & "')" Conndata().CommandText = strsql dr =.ExecuteReader() dr.read() Book_status = CInt(dr.Item("Book_status")) If Book_status = 2 Then MessageBox.Show("ĚŞĿÐęŐĹĹĂŔůŢŞęĞŀŞľĞŔłĂŐ ţ ůęŀ ŀăğăő ĹŞŞŇŰţ¾Ű ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error)

48 200 txtbookid.text = "" 'txtbooknum.text = "" txtbookid.focus() dr.close() strsql = " SELECT Book_isbn,Book_name,Price_rent,Book_status FROM tb_book WHERE (Book_id='" & Trim(txtBookID.Text) & "')" Conndata().CommandText = strsql dr =.ExecuteReader() dr.read() If dr.hasrows = False Then MessageBox.Show("ţ ů ŇăĚĿęĚŞĿÐęŐĹğŇů ŰĹÐłŀăĂŐ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtbookid.text = "" 'txtbooknum.text = "" txtbookid.focus() dr.close() For i = 0 To mydinamic.getlowerbound(0) Book_id = Trim(txtBookID.Text) 'Book_num = CInt(txtbooknum.Text) 'If Book_num > 1 Then ' MessageBox.Show("łăő¼ŀłăĹłðŻŀŞďŞŢĚŰĞŔł ŰĹоŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Warning) ' txtbooknum.text = "" ' ' Book_isbn = CStr(dr.Item("Book_isbn")) Book_name = CStr(dr.Item("Book_name")) Price_rent = CInt(dr.Item("Price_rent")) status = CInt(dr.Item("Book_status")) SumMoney = CInt(Book_num) * CInt(Price_rent) ' ðżŀşďşřðńş If status = 1 Then status_name = "ĹĂŔůşŞýĿŰŞ " If status = 2 Then status_name = "ĞŔłĂŐ " For j = 0 To Me.grdBook.Rows.Count - 1 ' ăďðęĺşăěŀęęńşžűŀğňůřčńů ÞŻŰŀłĿŞĚăŐĹţ ů tmp1 = CStr(grdBook.Rows.Item(j).Cells(0).Value) 'ăěŀęěşŀðęőĺ

49 201 If tmp1 = CStr(Book_id) Then MessageBox.Show("ţ ůęŀ ŀăğřčńů ţ¾űřşőůĺððŀłăěŀęěşŀðęőĺþżűŀłŀş ", "ćąłŀă ăďðęĺş ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtbookid.text = "" 'txtbooknum.text = "" txtbookid.focus() dr.close() sum_book = sum_book + Book_num ' ðżŀşďşěşŀðęőĺğŀűðě ¾ PriceRent = PriceRent + SumMoney ' ðżŀşďşřðńşğŀűðě ¾ Next 'řčńů ŠŰĹ ŔąąÐŢŞ ŀăŀð Me.grdBook.Rows.Add(Me.txtBookID.Text, Book_isbn, Book_name, Book_num, Price_rent, status_name.tostring) dr.close() Next txtsummoney.text = PriceRent.ToString("#,##0.00") txtsummoney.enabled = False txtsumbook.text = CStr(sum_book) txtsumbook.enabled = False txtbookid.text = "" 'txtbooknum.text = "" booknum = sum_book sumprice = PriceRent sum_book = 0 PriceRent = 0 Private Sub cmdsubmit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdsubmit.click Adddata() Private Sub Adddata() Dim sqladd1 As String Dim sqladd2 As String Dim sqledit As String Dim FlagUser As Integer Dim MemID As String = " " ' ţ ůřćůşę ŀýńł Dim Dates As String Dim Datesent As String Dates = DTPRent.Value.ToString("dd/MM/yyyy") Datesent = CStr(DTPRent.Value.AddDays(5).ToString("dd/MM/yyyy")) If ChB1.Checked = True Then FlagUser = 1 If ChB2.Checked = True Then FlagUser = 2

50 202 If MessageBox.Show("Žő¼ ŰĹÐłŀăşĿŞğňłŠŰĹ ŔąłŀăĂŐ ŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then If ChB1.Checked = False And ChB2.Checked = False Then MessageBox.Show("łăő¼ŀřąŐĹłĆăľř ğę ŀýńł¾űďăžůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Exclamation) If FlagUser = 1 Then Try sqladd1 = "INSERT INTO tb_bookborrowing(bor_id,li_id,mem_id,num_book,price_rent,date_borrow,date_return)values(" sqladd1 &= " '" & txtrentid.text & "'," sqladd1 &= " '" & EmpID & "'," sqladd1 &= " '" & txtmemid.text & "'," sqladd1 &= " " & booknum & "," sqladd1 &= " " & sumprice & "," sqladd1 &= " '" & Dates & "'," sqladd1 &= " '" & Datesent & " ')" Conndata().CommandText = sqladd1.executenonquery() For j = 0 To Me.grdBook.Rows.Count - 1 tmp1 = CStr(grdBook.Rows.Item(j).Cells(0).Value) tmp2 = CStr(grdBook.Rows.Item(j).Cells(3).Value) If (tmp1 = "") And (tmp2 = "") Then Exit Try sqladd2 = "INSERT INTO tb_bookborrowingdetail(bor_id,book_id,book_num,date_sent)values(" sqladd2 &= " '" & txtrentid.text & "'," sqladd2 &= " " & tmp1 & "," sqladd2 &= " " & tmp2 & "," sqladd2 &= " '" & Datesent & "')".CommandText = sqladd2.executenonquery() Next Catch ErrortoAdd As Exception MessageBox.Show("ţ ůęŀ ŀăğřčńů ŠŰĹ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrortoAdd.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally

51 203 Conn.Close() End Try Try For j = 0 To Me.grdBook.Rows.Count - 1 tmp1 = CStr(grdBook.Rows.Item(j).Cells(0).Value) If tmp1 = "" Then Exit Try sqledit = "UPDATE tb_book " sqledit &= "SET Book_status=" & status1 & " " sqledit &= "WHERE (Book_id ='" & tmp1 & "' )" Conndata().CommandText = sqledit.executenonquery() Next Catch ErrorToDelete As Exception MessageBox.Show("ţ ůęŀ ŀăğřćąňůăşęğŀşľěşŀðęőĺţ¾űřşőůĺððŀł " & ErrorToDelete.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close() End Try MessageBox.Show("şĿŞğňłŠŰĹ ŔąłŀăĂŐ ĚŞĿÐęŐĹřăŇĂşăŰĹĂŚąŰď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) If FlagUser = 2 Then Try sqladd1 = "INSERT INTO tb_bookborrowing(bor_id,li_id,mem_id,num_book,price_rent,date_borrow,date_return)values(" sqladd1 &= " '" & txtrentid.text & "'," sqladd1 &= " '" & EmpID & "'," sqladd1 &= " '" & MemID & "'," sqladd1 &= " " & booknum & "," sqladd1 &= " " & sumprice & "," sqladd1 &= " '" & Dates & "'," sqladd1 &= " '" & Datesent & " ')" Conndata().CommandText = sqladd1.executenonquery()

52 204 For j = 0 To Me.grdBook.Rows.Count - 1 tmp1 = CStr(grdBook.Rows.Item(j).Cells(0).Value) tmp2 = CStr(grdBook.Rows.Item(j).Cells(3).Value) If (tmp1 = "") And (tmp2 = "") Then Exit Try sqladd2 = "INSERT INTO tb_bookborrowingdetail(bor_id,book_id,book_num,date_sent)values(" sqladd2 &= " '" & txtrentid.text & "'," sqladd2 &= " " & tmp1 & "," sqladd2 &= " " & tmp2 & "," sqladd2 &= " '" & Datesent & "')".CommandText = sqladd2.executenonquery() Next Catch ErrortoAdd As Exception MessageBox.Show("ţ ůęŀ ŀăğřčńů ŠŰĹ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrortoAdd.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close() End Try Try For j = 0 To Me.grdBook.Rows.Count - 1 tmp1 = CStr(grdBook.Rows.Item(j).Cells(0).Value) If tmp1 = "" Then Exit Try sqledit = "UPDATE tb_book " sqledit &= "SET Book_status=" & status1 & " " sqledit &= "WHERE (Book_id ='" & tmp1 & "' )" Conndata().CommandText = sqledit.executenonquery() Next Catch ErrorToDelete As Exception MessageBox.Show("ţ ůęŀ ŀăğřćąňůăşęğŀşľěşŀðęőĺţ¾űřşőůĺððŀł " & ErrorToDelete.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close()

53 205 End Try MessageBox.Show("şĿŞğňłŠŰĹ ŔąłŀăĂŐ ĚŞĿÐęŐĹřăŇĂşăŰĹĂŚąŰď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) Me.grdBook.Rows.Clear() txtsummoney.text = "" txtsumbook.text = "" cleardata() GenerateID() sum_book = 0 PriceRent = 0 Private Sub cmdcancel1_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdcancel1.click cleardata() Private Sub cmdcancel2_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdcancel2.click Me.grdBook.Rows.Clear() txtsummoney.text = "" txtsumbook.text = "" Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close() Private Sub cleardata() txtmemid.text = "" ChB1.Checked = False ChB2.Checked = False ChB1.Enabled = True ChB2.Enabled = True Private Sub ChB1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ChB1.CheckedChanged If ChB1.Checked = True Then ChB2.Enabled = False If ChB1.Checked = False Then ChB2.Enabled = True Private Sub ChB2_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ChB2.CheckedChanged If ChB2.Checked = True Then txtmemid.enabled = False ChB1.Enabled = False If ChB2.Checked = False Then

54 206 txtmemid.enabled = True ChB1.Enabled = True Private Sub txtbooknum_keydown(byval sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) If e.keycode = Keys.Enter Then Addgrid() End Class Source Code ช อ Emprentdetail Option Explicit On Option Strict On Imports System.data Imports System.Data.OleDb Public Class Emprentdetail Dim cs As New DataGridViewCellStyle Private Sub Emprentdetail_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() RD1.Checked = False Rd2.Checked = False Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() Private Sub showrent1() Dim sqlshowrent As String sqlshowrent = "SELECT tb_bookborrowing.bor_id,tb_member.mem_name,tb_employee.li_name,tb_book.book_name,tb_bookborro wingdetail.book_num,tb_bookborrowing.date_borrow,tb_bookborrowing.date_return FROM tb_bookborrowing,tb_bookborrowingdetail,tb_employee,tb_book,tb_member " sqlshowrent &= "WHERE tb_bookborrowing.bor_id=tb_bookborrowingdetail.bor_id And tb_bookborrowing.li_id=tb_employee.li_id And tb_bookborrowingdetail.book_id=tb_book.book_id And tb_bookborrowing.mem_id=tb_member.mem_id " da = New OleDbDataAdapter(sqlShowrent, Conn) da.fill(ds, "tb_bookborrowing") With grdrent

55 207.ReadOnly = True.DataSource = ds.tables("tb_bookborrowing") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdrent.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęłŀăăő ".Columns(1).HeaderText = "ýőůĺę ŀýńł ".Columns(2).HeaderText = "ýőůĺčşŀłðŀş ".Columns(3).HeaderText = "ýőůĺěşŀðęőĺ ".Columns(4).HeaderText = "ðżŀşďş".columns(5).headertext = "ďŀşğňůăő ".Columns(6).HeaderText = "ďŀşğňůžőş ".Columns(0).Width = 130.Columns(1).Width = 140.Columns(2).Width = 140.Columns(3).Width = 140.Columns(4).Width = 120.Columns(5).Width = 120.Columns(6).Width = 115 ds.tables.clear() Private Sub showrent2() Dim sqlshowrent As String Dim cardid As String = " " sqlshowrent = "SELECT tb_bookborrowing.bor_id,tb_bookborrowing.mem_id,tb_employee.li_name,tb_book.book_name,tb_bookbo rrowingdetail.book_num,tb_bookborrowing.date_borrow,tb_bookborrowing.date_return FROM tb_bookborrowing,tb_bookborrowingdetail,tb_employee,tb_book " sqlshowrent &= "WHERE tb_bookborrowing.bor_id=tb_bookborrowingdetail.bor_id And tb_bookborrowing.li_id=tb_employee.li_id And tb_bookborrowingdetail.book_id=tb_book.book_id And tb_bookborrowing.mem_id='" & cardid & "' " da = New OleDbDataAdapter(sqlShowrent, Conn) da.fill(ds, "tb_bookborrowing") With grdrent.readonly = True.DataSource = ds.tables("tb_bookborrowing") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdrent.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęłŀăăő ".Columns(1).HeaderText = "ăěŀęę ŀýńł".columns(2).headertext = "ýőůĺčşŀłðŀş ".Columns(3).HeaderText = "ýőůĺěşŀðęőĺ ".Columns(4).HeaderText = "ðżŀşďş".columns(5).headertext = "ďŀşğňůăő "

56 208.Columns(6).HeaderText = "ďŀşğňůžőş ".Columns(0).Width = 130.Columns(1).Width = 140.Columns(2).Width = 140.Columns(3).Width = 140.Columns(4).Width = 120.Columns(5).Width = 120.Columns(6).Width = 115 ds.tables.clear() Private Sub cmdadd_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdadd.click If RD1.Checked = True Then showrent1() If RD2.Checked = True Then showrent2() Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close() End Class Source Code ช อ Empsentbook Option Explicit On Option Strict On Imports System.data Imports System.Data.OleDb Public Class Empsentbook Dim Full_name As String ' ýőůĺčşŀłðŀş Dim EmpID As String 'ăěŀęčşŀłðŀş Dim cs As New DataGridViewCellStyle Dim mydinamic() As Integer Dim Sizes As Integer Dim sent_id As String Dim book_id As String Dim book_num As Integer = 1 Dim sumdate As Integer Dim Price_sent As Integer = 0

57 209 Dim tmp1 As String Dim tmp2 As String Dim i As Integer Dim j As Integer Dim status As Integer = 1 Dim bor_id As String Dim price As Integer = 5 ' ŽůŀĆăĿş Dim sum_book As Integer Dim SumMoney As Integer = 0 ' ðżŀşďşřðńşăď Dim PriceRent As Integer = 0 ' ðżŀşďşřðńşăď ğŀűðě ¾ Dim s1() As String Dim s2() As String Dim date_sent1 As Date Dim date_true1 As Date Dim n2 As Integer ' ďŀşğňůřłńş Private Sub Empsentbook_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() GenerateID() showname() showgridview() txtempname.enabled = False DTPSent.Enabled = False txtsentid.enabled = False Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() Private Sub GenerateID() Dim sqlorder As String Dim tmpid As Integer Dim lastid As String = "" sqlorder = "SELECT TOP 1 sent_id FROM tb_bookreturning ORDER BY sent_id DESC" Conndata().CommandText = sqlorder dr =.ExecuteReader dr.read()

58 210 If dr.hasrows Then lastid = CStr(dr(0).ToString.Trim) tmpid = CInt(Microsoft.VisualBasic.Right(lastId, 6)) tmpid = tmpid + 1 lastid = tmpid.tostring("000000") txtsentid.text = CStr(lastId) Else lastid = "000001" txtsentid.text = CStr(lastId) dr.close() Private Sub showname() Dim sqlname As String sqlname = "SELECT Li_id,Li_name FROM tb_employee WHERE (Liuser='" & CStr(U_name) & "')".CommandText = sqlname dr =.ExecuteReader() dr.read() EmpID = CStr(dr.Item("Li_id")) Full_Name = CStr(dr.Item("Li_name")) txtempname.text = Full_name Private Sub cmdcancel2_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdcancel2.click Me.grdBook.Rows.Clear() txtsummoney.text = "" txtsumbook.text = "" txtbookid.text = "" txtbooknum.text = "" Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close() Private Sub showgridview() Dim cs As New DataGridViewCellStyle cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdbook.columnheadersdefaultcellstyle = cs.columns.add(cstr(0), "ăěŀęłŀăžőş ").Columns.Add(CStr(1), "ăěŀęłŀăăő ").Columns.Add(CStr(2), "ăěŀęěşŀðęőĺ ").Columns.Add(CStr(3), "ðżŀşďş").columns.add(cstr(4), "ďŀşğňůžőş ").Columns.Add(CStr(5), "ďŀşğňůžőşðăńð ")

59 211.Columns.Add(CStr(6), "ďŀşğňůřłńş ").Columns.Add(CStr(7), "ŽůŀĆăĿş ").Columns(0).Width = 110.Columns(1).Width = 110.Columns(2).Width = 110.Columns(3).Width = 80.Columns(4).Width = 100.Columns(5).Width = 100.Columns(6).Width = 78.Columns(7).Width = 60 Private Sub cmdadd_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdadd.click Addgrid() Private Sub Addgrid() Dim strsql As String ReDim Preserve mydinamic(sizes - 1) sum_book = 0 Price_sent = 0 If txtbookid.text = "" Then MessageBox.Show("łăő¼ŀłăĹłăĚĿęĚŞĿÐęŐĹ¾ŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtbookid.focus() 'If txtbooknum.text = "" And CInt(txtbooknum.Text) = 0 And CInt(txtbooknum.Text) <> 1 Then ' MessageBox.Show("łăő¼ŀðŻŀŞďŞĚŞĿÐęŐĹŢĚŰĞŔł ŰĹоŰďĂŽůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) ' txtbooknum.text = "" ' txtbooknum.focus() ' ' strsql = " SELECT Bor_id,Book_id,Date_sent FROM tb_bookborrowingdetail WHERE (Book_id='" & Trim(txtBookID.Text) & "')" Conndata().CommandText = strsql dr =.ExecuteReader() dr.read() If dr.hasrows = False Then MessageBox.Show("ţ ů ŇăĚĿęĚŞĿÐęŐĹğŇůĂŐ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtbookid.text = "" txtbooknum.text = ""

60 212 dr.close() sent_id = CStr(txtsentID.Text) bor_id = CStr(dr.Item("Bor_id")) book_id = CStr(txtBookID.Text) 'book_num = CInt(txtbooknum.Text) s1 = CStr(dr.Item("Date_sent")).Split(CChar(" ")) s2 = CStr(DTPSent.Value.ToString("dd/MM/yyyy")).Split(CChar(" ")) date_sent1 = CType(s1(0), Date) date_true1 = CType(s2(0), Date) n2 = CInt(DateDiff(DateInterval.Day, date_sent1, date_true1)) If n2 < 0 Then n2 = 0 SumMoney = 0 If n2 > 0 Then SumMoney = n2 * price For i = 0 To mydinamic.getlowerbound(0) For j = 0 To Me.grdBook.Rows.Count - 1 ' ăďðęĺşăěŀęęńşžűŀğňůřčńů ÞŻŰŀłĿŞĚăŐĹţ ů tmp1 = CStr(grdBook.Rows.Item(j).Cells(2).Value) 'ăěŀęěşŀðęőĺ If tmp1 = CStr(book_id) Then MessageBox.Show("ţ ůęŀ ŀăğřčńů ţ¾űřşőůĺððŀłăěŀęěşŀðęőĺþżűŀłŀş ", "ćąłŀă ăďðęĺş ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtbookid.text = "" txtbooknum.text = "" dr.close() sum_book = sum_book + book_num ' ðżŀşďşěşŀðęőĺğŀűðě ¾ PriceRent = Price_sent + SumMoney ' ăŀžŀăď Next 'řčńů ŠŰĹ ŔąąÐŢŞ ŀăŀð Me.grdBook.Rows.Add(sent_id, bor_id, book_id, book_num, s1(0).tostring, s2(0).tostring, n2, SumMoney) dr.close() Next txtsummoney.text = PriceRent.ToString("#,##0.00") txtsummoney.enabled = False txtsumbook.text = CStr(sum_book) txtsumbook.enabled = False txtbookid.text = "" 'txtbooknum.text = "" Private Sub cmdsubmit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles

61 213 cmdsubmit.click Adddata() Private Sub Adddata() Dim sqladd1 As String Dim sqladd2 As String Dim sqledit As String If CBool(grdBook.Rows.Item(0).Cells(0).Value) = False Then MessageBox.Show("ţ ů ŇăŀĂłŀăŽŐŞ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Exclamation) If MessageBox.Show("Žő¼ ŰĹÐłŀăşĿŞğňłŠŰĹ ŔąłŀăŽŐŞŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try sqladd1 = "INSERT INTO tb_bookreturning(sent_id,li_id,num_book,date_borrow,date_return,date_over,price_sent)values(" sqladd1 &= " '" & txtsentid.text & "'," sqladd1 &= " '" & EmpID & "'," sqladd1 &= " " & sum_book & "," sqladd1 &= " '" & date_sent1 & "'," sqladd1 &= " '" & date_true1 & "'," sqladd1 &= " " & n2 & "," sqladd1 &= " " & PriceRent & " )" Conndata().CommandText = sqladd1.executenonquery() For j = 0 To Me.grdBook.Rows.Count - 1 tmp1 = CStr(grdBook.Rows.Item(j).Cells(2).Value) tmp2 = CStr(grdBook.Rows.Item(j).Cells(3).Value) If (tmp1 = "") And (tmp2 = "") Then Exit Try sqladd2 = "INSERT INTO tb_bookreturningdetail(sent_id,book_id,num_book)values(" sqladd2 &= " '" & txtsentid.text & "'," sqladd2 &= " '" & tmp1 & "'," sqladd2 &= " " & tmp2 & ")".CommandText = sqladd2.executenonquery() Next

62 214 Catch ErrortoAdd As Exception MessageBox.Show("ţ ůęŀ ŀăğřčńů ŠŰĹ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrortoAdd.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close() End Try Try For j = 0 To Me.grdBook.Rows.Count - 1 tmp1 = CStr(grdBook.Rows.Item(j).Cells(2).Value) If tmp1 = "" Then Exit Try sqledit = "UPDATE tb_book " sqledit &= "SET Book_status=" & status & " " sqledit &= "WHERE (Book_id ='" & tmp1 & "' )" Conndata().CommandText = sqledit.executenonquery() Next Catch ErrorToDelete As Exception MessageBox.Show("ţ ůęŀ ŀăğřćąňůăşęğŀşľěşŀðęőĺţ¾űřşőůĺððŀł " & ErrorToDelete.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close() End Try MessageBox.Show("şĿŞğňłŠŰĹ ŔąłŀăŽŐŞĚŞĿÐęŐĹřăŇĂşăŰĹĂŚąŰď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) Me.grdBook.Rows.Clear() txtsumbook.text = "" txtsummoney.text = "" GenerateID() sum_book = 0 Price_sent = 0 End Class Source Code ช อ Empsentdetaili Option Explicit On Option Strict On

63 215 Imports System.data Imports System.Data.OleDb Public Class Empsentdetaili Dim cs As New DataGridViewCellStyle Private Sub Empsentdetaili_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() showsent() Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() Private Sub showsent() Dim sqlshowrent As String sqlshowrent = "SELECT tb_bookreturning.sent_id,tb_employee.li_name,tb_book.book_name,tb_bookreturningdetail.num_book,tb_ Bookreturning.date_borrow,tb_Bookreturning.date_return FROM tb_bookreturning,tb_bookreturningdetail,tb_employee,tb_book " sqlshowrent &= "WHERE tb_bookreturning.sent_id=tb_bookreturningdetail.sent_id And tb_bookreturning.li_id=tb_employee.li_id And tb_bookreturningdetail.book_id=tb_book.book_id " da = New OleDbDataAdapter(sqlShowrent, Conn) da.fill(ds, "tb_bookborrowing") With grdrent.readonly = True.DataSource = ds.tables("tb_bookborrowing") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdrent.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęłŀăăő ".Columns(1).HeaderText = "ýőůĺčşŀłðŀş ".Columns(2).HeaderText = "ýőůĺěşŀðęőĺ ".Columns(3).HeaderText = "ðżŀşďş".columns(4).headertext = "ďŀşğňůăő ".Columns(5).HeaderText = "ďŀşğňůžőş ".Columns(0).Width = 150.Columns(1).Width = 150.Columns(2).Width = 150.Columns(3).Width = 150.Columns(4).Width = 150.Columns(5).Width = 155

64 216 ds.tables.clear() Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close() End Class Source Code ช อ Empsuplier Option Explicit On Option Strict On Imports System.data Imports System.Data.OleDb Public Class Empsuplier Dim SupID As String 'ăěŀę ĿďŚğŞðŻŀĚŞůŀĂ 'Dim TypeName As String 'ýőůĺćăľř ğěşŀðęőĺ Dim cs As New DataGridViewCellStyle Private Sub Empsuplier_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() ' řăňăłconndata GenerateID() ' řăňăłgenerateid show_suplier() show_sup(supid) ' řăňăłshow_book txtsupid.enabled = False ' ń¾ ůĺ²ŀşšűĺ Ŕą Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() 'Generate ăěŀęćăľř ğęńşžűŀ Private Sub GenerateID() Dim sqlgenerateid As String Dim tmpid As Integer Dim lastid As String dr.close() sqlgenerateid = "SELECT TOP 1 Sup_id FROM tb_supplier ORDER BY Sup_id DESC" Conndata()

65 217.CommandText = sqlgenerateid dr =.ExecuteReader dr.read() If dr.hasrows = True Then lastid = CStr(dr(0).ToString.Trim) tmpid = CInt(Microsoft.VisualBasic.Right(lastId, 6)) tmpid = tmpid + 1 lastid = tmpid.tostring("000000") txtsupid.text = CStr(lastId) Else lastid = "000001" txtsupid.text = CStr(lastId).ToString dr.close() Private Sub cleardata() txtsupid.text = "" txtsupname.text = "" txtsupaddress.text = "" txtsuptel.text = "" txtsupid.enabled = False Private Sub show_suplier() Dim sqlbooktype As String = "" sqlbooktype = "SELECT Sup_id,Sup_name,Sup_add,Sup_tel FROM tb_supplier" da = New OleDbDataAdapter(sqlBooktype, Conn) da.fill(ds, "tb_supplier") With grdsuplier.readonly = True.DataSource = ds.tables("tb_supplier") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdsuplier.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀę ĿďŚğŞ ".Columns(1).HeaderText = "ýőůĺ ĿďŚğŞ ".Columns(2).HeaderText = "ğňůĺăŕů ".Columns(3).HeaderText = "řşĺăźśğăđŀčğź ".Columns(0).Width = 120.Columns(1).Width = 120.Columns(2).Width = 120.Columns(3).Width = 97 ds.tables.clear() Private Sub show_sup(byval SupID As String)

66 218 Dim sqlbook As String = "" If SupID = "" Then If SupID <> "" Then sqlbook = "SELECT tb_book.book_id,tb_book.book_isbn,tb_book.book_name FROM tb_book WHERE (tb_book.sup_id='" & SupID & "')" da = New OleDbDataAdapter(sqlBook, Conn) da.fill(ds, "tb_book") If Not IsDBNull(ds) Then With grdsupbook.readonly = True.DataSource = ds.tables("tb_book") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdsupbook.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęěşŀðęőĺ ".Columns(1).HeaderText = "řąšřăňăłěşŀðęőĺ ".Columns(2).HeaderText = "ýőůĺěşŀðęőĺ ".Columns(0).Width = 150.Columns(1).Width = 150.Columns(2).Width = 133 ds.tables.clear() dr.close() Private Sub cmdadd_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdadd.click Adddata() ' řăňăłþŀşśčăþňřðĺăź Adddata řčőůĺřčńů ŠŰĹ Ŕą ' řčńů ŠŰĹ ŔąĆăľř ğěşŀðęőĺ Private Sub Adddata() Dim sqladd As String If txtsupname.text = "" Then MessageBox.Show("łăő¼ŀłăĹłýŐůĹ ĿďŚğŞðŻŀĚŞůŀĂŢĚŰŽăş!!!", "ćąłŀă ăďðęĺş ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtsupname.focus() If txtsupaddress.text = "" Then MessageBox.Show("łăő¼ŀłăĹłğŇůĹĂŔůŢĚŰŽăş!!!", "ćąłŀă ăďðęĺş ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtsupaddress.focus() If txtsuptel.text = "" Then

67 219 MessageBox.Show("łăő¼ŀłăĹłřşĹăźśğăĐĿčğźŢĚŰŽăş!!!", "ćąłŀă ăďðęĺş ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtsuptel.focus() If MessageBox.Show("Žő¼ ŰĹÐłŀăřčńů ŠŰĹ ŔąŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try sqladd = "INSERT INTO tb_supplier(sup_id,sup_name,sup_add,sup_tel)values(" sqladd &= " '" & txtsupid.text & "'," sqladd &= " '" & txtsupname.text & "'," sqladd &= " '" & txtsupaddress.text & "'," sqladd &= " '" & txtsuptel.text & "')" 'Conndata().CommandText = sqladd.executenonquery() Catch ErrortoAdd As Exception MessageBox.Show("ţ ůęŀ ŀăğřčńů ŠŰĹ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrortoAdd.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtsupid.focus() Finally Conn.Close() End Try MessageBox.Show("řčńů ŠŰĹ Ŕą ĿďŚğŞðŻŀĚŞůŀĂřăŇĂşăŰĹĂŚąŰď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) cleardata() show_suplier() GenerateID() ' ŚłŰţŠŠŰĹ ŔąĆăľř ğěşŀðęőĺ Private Sub cmdedit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdedit.click Dim sqledit As String If txtsupname.text = "" Then MessageBox.Show("łăő¼ŀłăĹłýŐůĹ ĿďŚğŞðŻŀĚŞůŀĂŢĚŰŽăş!!!", "ćąłŀă ăďðęĺş ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtsupname.focus() If txtsupaddress.text = "" Then MessageBox.Show("łăő¼ŀłăĹłğŇůĹĂŔůŢĚŰŽăş!!!", "ćąłŀă ăďðęĺş ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtsupaddress.focus()

68 220 If txtsuptel.text = "" Then MessageBox.Show("łăő¼ŀłăĹłřşĹăźśğăĐĿčğźŢĚŰŽăş!!!", "ćąłŀă ăďðęĺş ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtsuptel.focus() If MessageBox.Show("Žő¼ ŰĹÐłŀ㌳ŰţŠŠŰĹ ŔąŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try sqledit = "UPDATE tb_supplier " sqledit &= "SET Sup_name='" & txtsupname.text & "'," sqledit &= "Sup_add='" & txtsupaddress.text & "'," sqledit &= "Sup_tel='" & txtsuptel.text & "'" sqledit &= "WHERE (Sup_id='" & txtsupid.text & "' )".CommandText = sqledit.executenonquery() Catch ErrorToUpdate As Exception MessageBox.Show("ţ ůęŀ ŀăğśłűţššűĺ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrorToUpdate.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) Finally Conn.Close() End Try MessageBox.Show("ŚłŰţŠŠŰĹ Ŕą ĿďŚğŞðŻŀĚŞůŀĂřăŇĂşăŰĹĂŚąŰď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) cleardata() show_suplier() txtsupid.enabled = False GenerateID() ' ąşšűĺ ŔąĆăľř ğěşŀðęőĺ Private Sub cmddelete_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmddelete.click Dim sqldelete As String Dim tmprowsaffected As Short If MessageBox.Show("Žő¼ ŰĹÐłŀăąşŠŰĹ ŔąŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try sqldelete = "DELETE FROM tb_supplier " sqldelete &= "WHERE (Sup_id='" & txtsupid.text & "')" 'Conndata().CommandText = sqldelete tmprowsaffected = CShort(.ExecuteNonQuery())

69 221 If tmprowsaffected = 0 Then MessageBox.Show("ţ ů ŇăĚĿę ĿďŚğŞðŻŀĚŞůŀĂğŇůŽő¼ ŰĹÐłŀăąş ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) txtsupid.focus() Catch ErrorToDelete As Exception MessageBox.Show("ţ ůęŀ ŀăğąşšűĺ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrorToDelete.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtsupid.focus() Finally Conn.Close() End Try MessageBox.Show("ąşŠŰĹ Ŕą ĿďŚğŞðŻŀĚŞůŀĂřăŇĂşăŰĹĂŚąŰď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) cleardata() show_suplier() txtsupid.enabled = False GenerateID() ' Ăłřąńł Private Sub cmdclear_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdclear.click cleardata() GenerateID() ' Ćń¾đĹăź Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close() ' Žąńłłăń¾ŢĚŰŚę¾ÐŠŰĹ ŔąŢŞ textbox Private Sub grdsuplier_cellcontentclick(byval sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles grdsuplier.cellcontentclick If e.rowindex = grdsuplier.rows.count - 1 Then txtsupid.enabled = False With grdsuplier txtsupid.text =.Rows.Item(e.RowIndex).Cells(0).Value.ToString() txtsupname.text =.Rows.Item(e.RowIndex).Cells(1).Value.ToString() txtsupaddress.text =.Rows.Item(e.RowIndex).Cells(2).Value.ToString() txtsuptel.text =.Rows.Item(e.RowIndex).Cells(3).Value.ToString() SupID = txtsupid.text show_sup(supid.tostring) ' ł¾ćőů Enter ĹŞřčńů ŠŰĹ Ŕą

70 222 Private Sub txtsuptel_keydown(byval sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles txtsuptel.keydown If e.keycode = Keys.Enter Then Adddata() Private Sub txtsuptel_keypress(byval sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtsuptel.keypress If (e.keychar < Chr(48) Or e.keychar > Chr(57)) And e.keychar <> Chr(8) Then e.handled = True End Class Source Code ช อ Emptypebook Option Explicit On Option Strict On Imports System.data Imports System.Data.OleDb Public Class Emptypebook Dim TypeID As String 'ăěŀęćăľř ğěşŀðęőĺ Dim TypeName As String 'ýőůĺćăľř ğěşŀðęőĺ Dim cs As New DataGridViewCellStyle Private Sub Emptypebook_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() ' řăňăłconndata GenerateID() ' řăňăłgenerateid show_typebook() ' řăňăłshow_typebook show_book(typeid) ' řăňăłshow_book txttypeid.enabled = False ' ń¾ ůĺ²ŀşšűĺ Ŕą Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() 'Generate ăěŀęćăľř ğęńşžűŀ Private Sub GenerateID() Dim sqlgenerateid As String Dim tmpid As Integer Dim lastid As String dr.close()

71 223 sqlgenerateid = "SELECT TOP 1 Bt_id FROM tb_booktype ORDER BY Bt_id DESC" Conndata().CommandText = sqlgenerateid dr =.ExecuteReader dr.read() If dr.hasrows = True Then lastid = CStr(dr(0).ToString.Trim) tmpid = CInt(Microsoft.VisualBasic.Right(lastId, 6)) tmpid = tmpid + 1 lastid = tmpid.tostring("000000") txttypeid.text = CStr(lastId) Else lastid = "000001" txttypeid.text = CStr(lastId).ToString dr.close() Private Sub cleardata() txttypeid.text = "" txttypename.text = "" txttypeid.enabled = False Private Sub show_typebook() Dim sqlbooktype As String = "" sqlbooktype = "SELECT Bt_id,Bt_name FROM tb_booktype" da = New OleDbDataAdapter(sqlBooktype, Conn) da.fill(ds, "tb_booktype") With grdtypebook.readonly = True.DataSource = ds.tables("tb_booktype") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdtypebook.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęćăľř ğęńşžűŀ ".Columns(1).HeaderText = "ýőůĺćăľř ğęńşžűŀ ".Columns(0).Width = 217.Columns(1).Width = 217 ds.tables.clear() Private Sub show_book(byval TypeID As String) Dim sqlbook As String = ""

72 224 If TypeID = "" Then If TypeID <> "" Then sqlbook = "SELECT tb_book.bt_id,tb_book.book_isbn,tb_book.book_name,tb_book.price_rent FROM tb_book WHERE (tb_book.bt_id='" & TypeID & "')" da = New OleDbDataAdapter(sqlBook, Conn) da.fill(ds, "tb_book") If Not IsDBNull(ds) Then With grdbook.readonly = True.DataSource = ds.tables("tb_book") cs.font = New Font("Ms Sans Serif ", 10, FontStyle.Bold) With grdbook.columnheadersdefaultcellstyle = cs.columns(0).headertext = "ăěŀęěşŀðęőĺ ".Columns(1).HeaderText = "řąšřăňăłěşŀðęőĺ ".Columns(2).HeaderText = "ýőůĺěşŀðęőĺ ".Columns(3).HeaderText = "ăŀžŀřýůŀ".columns(0).width = 110.Columns(1).Width = 110.Columns(2).Width = 110.Columns(3).Width = 105 ds.tables.clear() dr.close() Private Sub cmdadd_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdadd.click Adddata() ' řăňăłþŀşśčăþňřðĺăź Adddata řčőůĺřčńů ŠŰĹ Ŕą ' řčńů ŠŰĹ ŔąĆăľř ğěşŀðęőĺ Private Sub Adddata() Dim sqladd As String If txttypename.text = "" Then MessageBox.Show("łăő¼ŀłăĹłýŐůĹĆăľř ğěşŀðęőĺţěűžăş!!!", "ćąłŀă ăďðęĺş ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txttypename.focus() If MessageBox.Show("Žő¼ ŰĹÐłŀăřčńů ŠŰĹ ŔąŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try sqladd = "INSERT INTO tb_booktype(bt_id,bt_name)values(" sqladd &= " '" & txttypeid.text & "'," sqladd &= " '" & txttypename.text & "')"

73 225 'Conndata().CommandText = sqladd.executenonquery() Catch ErrortoAdd As Exception MessageBox.Show("ţ ůęŀ ŀăğřčńů ŠŰĹ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrortoAdd.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txttypeid.focus() Finally Conn.Close() End Try MessageBox.Show("řčńů ŠŰĹ ŔąĆăľř ğěşŀðęőĺřăňăşăűĺăśąűď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) cleardata() show_typebook() GenerateID() ' ŚłŰţŠŠŰĹ ŔąĆăľř ğěşŀðęőĺ Private Sub cmdedit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdedit.click Dim sqledit As String If txttypename.text = "" Then MessageBox.Show("łăő¼ŀłăĹłýŐůĹĆăľř ğěşŀðęőĺţěűžăş¾űďăžůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Exclamation) txttypename.focus() txttypename.selectall() If MessageBox.Show("Žő¼ ŰĹÐłŀ㌳ŰţŠŠŰĹ ŔąŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try sqledit = "UPDATE tb_booktype " sqledit &= "SET Bt_name='" & txttypename.text & "'" sqledit &= "WHERE (Bt_id='" & txttypeid.text & "' )".CommandText = sqledit.executenonquery() Catch ErrorToUpdate As Exception MessageBox.Show("ţ ůęŀ ŀăğśłűţššűĺ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrorToUpdate.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error)

74 226 Finally Conn.Close() End Try MessageBox.Show("ŚłŰţŠŠŰĹ ŔąĆăľř ğěşŀðęőĺřăňăşăűĺăśąűď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) cleardata() show_typebook() txttypeid.enabled = False GenerateID() ' ąşšűĺ ŔąĆăľř ğěşŀðęőĺ Private Sub cmddelete_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmddelete.click Dim sqldelete As String Dim tmprowsaffected As Short If txttypename.text = "" Then MessageBox.Show("łăő¼ŀłăĹłýŐůĹĆăľř ğěşŀðęőĺţěűžăş¾űďăžůľ ", "ŠŰĹ Ŕąćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Exclamation) txttypename.focus() txttypename.selectall() If MessageBox.Show("Žő¼ ŰĹÐłŀăąşŠŰĹ ŔąŢýůĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Try sqldelete = "DELETE FROM tb_booktype " sqldelete &= "WHERE (Bt_id='" & txttypeid.text & "')" 'Conndata().CommandText = sqldelete tmprowsaffected = CShort(.ExecuteNonQuery()) If tmprowsaffected = 0 Then MessageBox.Show("ţ ů ŇăĚĿęĆăľř ğěşŀðęőĺğňůžő¼ ŰĹÐłŀăąş ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) txttypeid.focus() Catch ErrorToDelete As Exception MessageBox.Show("ţ ůęŀ ŀăğąşšűĺ Ŕąţ¾ŰřŞŐůĹÐðŀł " & ErrorToDelete.Message, "ŠŰĹćń¾čąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txttypeid.focus() Finally Conn.Close() End Try

75 227 MessageBox.Show("ąşŠŰĹ ŔąĆăľř ğěşŀðęőĺřăňăşăűĺăśąűď ", "ćąłŀăğżŀðŀş", MessageBoxButtons.OK, MessageBoxIcon.Information) cleardata() show_typebook() txttypeid.enabled = False GenerateID() ' Ăłřąńł Private Sub cmdclear_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdclear.click cleardata() GenerateID() ' Ćń¾đĹăź Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click Me.Close() ' Žąńłłăń¾ŢĚŰŚę¾ÐŠŰĹ ŔąŢŞ textbox Private Sub grdtypebook_cellcontentclick(byval sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles grdtypebook.cellcontentclick If e.rowindex = grdtypebook.rows.count - 1 Then txttypeid.enabled = False With grdtypebook txttypeid.text =.Rows.Item(e.RowIndex).Cells(0).Value.ToString() txttypename.text =.Rows.Item(e.RowIndex).Cells(1).Value.ToString() TypeID = txttypeid.text TypeName = txttypename.text show_book(typeid.tostring) ' ł¾ćőů Enter ĹŞřčńů ŠŰĹ Ŕą Private Sub txttypename_keydown(byval sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles txttypename.keydown If e.keycode = Keys.Enter Then Adddata() End Class Source Code ช อ Login Option Explicit On Option Strict On Imports System.Data Imports System.Data.OleDb

76 228 Public Class Login Private Sub Login_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Conndata() Cleardata() Private Sub Conndata() With Conn If.State = ConnectionState.Open Then.Close().ConnectionString = StrConn.Open() Private Sub Cleardata() txtusername.text = "" txtpassword.text = "" rdtype1.checked = False rdtype2.checked = False Private Sub cmdlogin_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdlogin.click Dim strlogin As String If txtusername.text = "" Then MessageBox.Show("łăő¼ŀłăĹł Username ¾ŰďĂŽůľ!!!", "ćąłŀă ăďðęĺş ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtusername.focus() If txtpassword.text = "" Then MessageBox.Show("łăő¼ŀłăĹł Password ¾ŰďĂŽůľ!!!", "ćąłŀă ăďðęĺş ", MessageBoxButtons.OK, MessageBoxIcon.Warning) txtpassword.focus() ' řðűŀšĺðăűŀş If rdtype1.checked = True Then flagu = 1 ' čşŀłðŀş If rdtype2.checked = True Then flagu = 2 ' ąůĺłĺńşšĺðřðűŀšĺðăűŀş ĚăŐĹćŔŰ¾ŔŚąăľşş If flagu = 1 Then If txtusername.text <> "" And txtpassword.text <> "" Then strlogin = "SELECT * FROM tb_admin WHERE (Admin_Uname='" & CStr(txtUsername.Text) & "') And (Admin_Upass ='" & CStr(txtPassword.Text) & "') "

77 229 Conndata().CommandText = strlogin dr =.ExecuteReader() dr.read() If dr.hasrows = False Then MessageBox.Show("Username Śąľ Password ţ ůğŕł ŰĹÐłăő¼ŀ ăďðęĺşţě ůĺňłžăŀűð ", "łŀăřšűŀęŕů ăľşşćń¾ćąŀ¾", MessageBoxButtons.OK, MessageBoxIcon.Error) txtusername.text = "" txtpassword.text = "" rdtype1.checked = False rdtype2.checked = False txtusername.focus() dr.close() U_name = CStr(dr.Item("Admin_Uname")) U_pass = CStr(dr.Item("Admin_Upass")) If txtusername.text <> U_name And txtpassword.text <> U_pass Then MessageBox.Show("Username Śąľ Password ţ ůğŕł ŰĹÐłăő¼ŀ ăďðęĺşţě ůĺňłžăŀűð ", "łŀăřšűŀęŕů ăľşşćń¾ćąŀ¾", MessageBoxButtons.OK, MessageBoxIcon.Error) Me.Show() txtusername.text = "" txtpassword.text = "" rdtype1.checked = False rdtype2.checked = False txtusername.focus() dr.close() Else Admin.Show() MessageBox.Show("ĂńŞ¾Ň ŰĹŞăĿşřŠŰŀęŔůăľşş ĂŐ -ŽŐŞăŰŀŞŚłůŞłŀăź ŔŞ ", "łŀăřšűŀęŕůăľşşřęăůðę şŕă ", MessageBoxButtons.OK, MessageBoxIcon.Information) Me.Hide() Else MessageBox.Show("łăő¼ŀłăĹł Username Śąľ Password ŢĚŰŽăşĞŰďŞ ", "łŀăřšűŀęŕůăľşşćń¾ćąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtusername.text = "" txtpassword.text = "" rdtype1.checked = False rdtype2.checked = False txtusername.focus() dr.close() Cleardata() 'ąůĺłĺńşšĺðčşŀłðŀş If flagu = 2 Then If txtusername.text <> "" And txtpassword.text <> "" Then strlogin = "SELECT * FROM tb_employee WHERE (Liuser='" & CStr(txtUsername.Text) & "') And (Lipassword ='" & CStr(txtPassword.Text) & "') "

78 230 Conndata().CommandText = strlogin dr =.ExecuteReader() dr.read() If dr.hasrows = False Then MessageBox.Show("Username Śąľ Password ţ ůğŕł ŰĹÐłăő¼ŀ ăďðęĺşţě ůĺňłžăŀűð ", "łŀăřšűŀęŕů ăľşşćń¾ćąŀ¾", MessageBoxButtons.OK, MessageBoxIcon.Error) txtusername.text = "" txtpassword.text = "" rdtype1.checked = False rdtype2.checked = False txtusername.focus() dr.close() U_name = CStr(dr.Item("Liuser")) U_pass = CStr(dr.Item("Lipassword")) If txtusername.text <> U_name And txtpassword.text <> U_pass Then MessageBox.Show("Username Śąľ Password ţ ůğŕł ŰĹÐłăő¼ŀ ăďðęĺşţě ůĺňłžăŀűð ", "łŀăřšűŀęŕů ăľşşćń¾ćąŀ¾", MessageBoxButtons.OK, MessageBoxIcon.Error) Me.Show() txtusername.text = "" txtpassword.text = "" rdtype1.checked = False rdtype2.checked = False txtusername.focus() dr.close() Else Mainemployee.Show() MessageBox.Show("ĂńŞ¾Ň ŰĹŞăĿşřŠŰŀęŔůăľşş ĂŐ -ŽŐŞăŰŀŞŚłůŞłŀăź ŔŞ ", "łŀăřšűŀęŕůăľşşřęăůðę şŕă ", MessageBoxButtons.OK, MessageBoxIcon.Information) Me.Hide() Else MessageBox.Show("łăő¼ŀłăĹł Username Śąľ Password ŢĚŰŽăşĞŰďŞ ", "łŀăřšűŀęŕůăľşşćń¾ćąŀ¾ ", MessageBoxButtons.OK, MessageBoxIcon.Error) txtusername.text = "" txtpassword.text = "" rdtype1.checked = False rdtype2.checked = False txtusername.focus() dr.close() Cleardata() Private Sub cmdexit_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles cmdexit.click

79 231 If MessageBox.Show("Žő¼ ŰĹÐłŀăĹĹłðŀłăľşşăŰŀŞŚłůŞłŀăŔ ŔŞðăńÐĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.OKCancel, MessageBoxIcon.Information) = Windows.Forms.DialogResult.OK Then Application.Exit() End Class Source Code ช อ Mainemployee Imports System.Windows.Forms Public Class Mainemployee Private Sub ĹĹłðŀłăľşş ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ĹĹłðŀłăľşş ToolStripMenuItem.Click If MessageBox.Show("Žő¼ ŰĹÐłŀăĹĹłðŀłăľşşðăńÐĚăŐĹţ ů ", "ŽŻŀĂŐŞĂĿŞ ", MessageBoxButtons.OKCancel, MessageBoxIcon.Information) = Windows.Forms.DialogResult.OK Then Me.Close() Login.Show() Private Sub čşłðŀş ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles čşłðŀş ToolStripMenuItem.Click With Empemployee.MdiParent = Me.Show().Focus() Private Sub ďśğşðżŀěşŀătoolstripmenuitem_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles ďśğşðżŀěşŀătoolstripmenuitem.click With Empsuplier.MdiParent = Me.Show().Focus() Private Sub ę ŀýł ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ę ŀýł ToolStripMenuItem.Click With Empmember.MdiParent = Me.Show().Focus() Private Sub Ćăľř ğěşðęĺtoolstripmenuitem_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles Ćăľř ğěşðęĺtoolstripmenuitem.click With Emptypebook.MdiParent = Me.Show()

80 232.Focus() Private Sub ĚŞÐęĹToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ĚŞÐęĹToolStripMenuItem.Click With Empbook.MdiParent = Me.Show().Focus() Private Sub Ă ĚŞÐęĹToolStripMenuItem1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Ă ĚŞÐęĹToolStripMenuItem1.Click With Emprentbook.MdiParent = Me.Show().Focus() Private Sub ăŀăłŀăă ĚŞÐęĹ ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ăŀăłŀăă ĚŞÐęĹ ToolStripMenuItem.Click With Emprentdetail.MdiParent = Me.Show().Focus() Private Sub ŽŞĚŞÐęĹToolStripMenuItem1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ŽŞĚŞÐęĹToolStripMenuItem1.Click With Empsentbook.MdiParent = Me.Show().Focus() Private Sub ăŀăłŀăžşěşðęĺtoolstripmenuitem_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles ăŀăłŀăžşěşðęĺtoolstripmenuitem.click With Empsentdetaili.MdiParent = Me.Show().Focus() Private Sub ÞĹĚŞÐęĹToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ÞĹĚŞÐęĹToolStripMenuItem.Click With Emporder.MdiParent = Me.Show().Focus()

81 233 Private Sub ăŀăłŀăþĺěşðęĺ ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ăŀăłŀăþĺěşðęĺ ToolStripMenuItem.Click With Emporderdetail.MdiParent = Me.Show().Focus() Private Sub ăşěşðęĺtoolstripmenuitem1_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles ăşěşðęĺtoolstripmenuitem1.click With Empreceive.MdiParent = Me.Show().Focus() Private Sub ăŀăłŀăăşěşðęĺ ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ăŀăłŀăăşěşðęĺ ToolStripMenuItem.Click With Empreceivedetail.MdiParent = Me.Show().Focus() Private Sub ðŀăýżŀăľtoolstripmenuitem1_click(byval sender As System.Object, ByVal e As System.EventArgs) Handles ðŀăýżŀăľtoolstripmenuitem1.click With Emppay.MdiParent = Me.Show().Focus() Private Sub ăŀăłŀăðŀăýżŀăľ ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ăŀăłŀăðŀăýżŀăľ ToolStripMenuItem.Click With Emppaydetail.MdiParent = Me.Show().Focus() End Class

82 ภาคผนวก ข. บทน าเสนอโครงงานเทคโนโลย สารสนเทศธ รก จ 234

83 235 บทน าเสนอโครงงานเทคโนโลย สารสนเทศธ รก จ 1 ประจ าภาคเร ยนท 1/2553 ว ชา : โครงงานเทคโนโลย สารสนเทศธ รก จ 1 จ านวน 1 หน วยก จ (0-2-0) ช อโครงงาน : ระบบบร หารจ ดการการย ม-ค น หน งส อร านแก นการ ต น จ งหว ดมหาสารคาม รายช อผ ศ กษาโครงงาน : 1. นางสาววช ดา ภ ผาบาง รห สประจ าต ว อาจารย ท ปร กษาโครงงาน: อาจารย เกร ยงศ กด จ นท นอก ( ) กรรมการท ปร กษา ( ) กรรมการคนท 1 ( ) กรรมการคนท 2

84 ความเป นมาและความส าค ญของป ญหา ร านแก นการ ต น อ าเภอเม อง จ งหว ดมหาสารคาม ประกอบธ รก จให เช าการ ต น และน ตยสารต างๆ ซ งในป จจ บ นร านแก นการ ต นย งไม ม ระบบบร หารจ ดการในการย ม-ค นท ด เน องจากขาดเคร องม อในการจ ดการข อม ล ย งม ร ปแบบการด าเน นงานโดยการจดบ นท กด วยม อ และการเก บข อม ลล กค าไว ในแฟ ม ซ งพบว าม ป ญหาต างๆเก ดข นมากมายท งในด านการเก บข อม ล สมาช กและการย ม-ค นหน งส อ ท าให ระบบการจ ดการย งขาดประส ทธ ภาพ ระยะเวลาในการ ด าเน นงานล าช า และการค นหาเอกสารย งเป นไปด วยความยากล าบาก โดยล กษณะการด าเน นก จการของทางร านควรม การน าเอาเทคโนโลย สารสนเทศ เข ามาช วยในการด าเน นงานของทางร าน ไม ว าจะเป นการบร หารจ ดการร านต างๆ การจ ดเก บ ข อม ลสมาช ก รวมถ งการบ นท กการย ม-ค นของล กค า เพ อให เข าถ งข อม ลได อย างถ กต อง รวดเร ว และช วยในการเก บเอกสารของทางร าน ท าให เก ดแนวความค ดท จะท าโปรแกรมข นเพ อช วยงาน ของระบบ ท งน เพ อตอบสนองความต องการในเร องของการท างานของทางร าน ด วยเหต ด งกล าวจ งได ค ดท จะพ ฒนาระบบชวยงานและพ ฒนาระบบงานของทาง ร านแก นการ ต น โดยการน าเสนอในร ปแบบซอฟต แวร เพ อให เก ดความสะดวกรวดเร วในการ ท างานของระบบ โดยสามารถบ นท ก ลบ แก ไข จ ดเก บข อม ลภายในร าน ด งน นการพ ฒนาระบบ ย ม-ค น หน งส อด งกล าวจ งท าให งานม ประส ทธ ภาพและเก ดความถ กต องแม นย าควบค ไปก บความ รวดเร วได อ กด วย 1.2 ว ตถ ประสงค เพ อพ ฒนาระบบ งานย ม ค นหน งส อร านแก นการ ต น อ าเภอเม อง จ งหว ด มหาสารคาม ให สามารถท างานได จร งและม ประส ทธ ภาพส งส ด

85 ขอบเขตการด าเน นงาน หร บขอบเขตในการพ ฒนาระบบงานย ม - ค นหน งส อร านแก นการ ต น น าข อม ลของร าน แก นการ ต น อ าเภอเม อง จ งหว ดมหาสารคาม จะเป นการท างานในล กษณะ Window Base Applicationโดยแบ งขอบเขตการด าเน นงานเพ อการพ ฒนาระบบแบ งออกเป น 9 ส วนย อย ด งน ศ กษาขさอม ลท าการว เคราะห じและออกแบบระบบ งานของร านแก นการ ต น สร างระบบ login ส าหร บการเข าไปใช งานระบบ เป นการก าหนดส ทธ ของผ ใช ระบบ โดย การก าหนด User และ Password เพ อเป นการร กษาความปลอดภ ยของข อม ล ซ งจะแบ งผ ใช ออกเป น กล ม User ค อ เจ าของร าน ข อม ลเก ยวก บสมาช ก ระบบสามารถเก บข อม ลสมาช กในการเข ามาย ม-ค นหน งส อการ ต นของร านแก นการ ต น การบ นท กข อม ลสมาช กสามารถ เพ ม ลบ แก ไข บ นท กและค นหาข อม ลใหม ได ข อม ลเก ยวก บหน งส อ ระบบตรวจสอบหน งส อท ม ไว ให ย มได ระบบสามารถ เพ ม ลบ แก ไข บ นท กและค นหาข อม ลได การย มหน งส อ ระบบสามารถตรวจสอบข อม ลการย มหน งส อของล กค าได การบ นท กข อม ลการย มหน งส อของล กค า สามารถเพ ม ลบ แก ไขข อม ลได ระบบสามารถแสดงรายการย มหน งส อของล กค าได การค นหน งส อ ระบบตรวจสอบข อม ลการย มหน งส อของล กค าได ระบบตรวจสอบข อม ลการค นหน งส อได การบ นท กข อม ลการค นหน งส อ สามารถ เพ ม ลบ แก ไข และค นหาข อม ลได ระบบสามารถแสดงรายการค นหน งส อได ระบบสามารถค านวณค าปร บ ท เก ดจากการค นหน งส อล าช า การส งซ อหน งส อ ระบบตรวจสอบข อม ลต วแทนจ าหน ายได ระบบสามารถบ นท กการส งซ อส นค าได

86 ระบบสามารถด ประว ต การส งซ อได ระบบสามารถแสดงรายการ การส งซ อได การบ นท กข อม ลการส งซ อส นค าสามารถเพ ม ลบ แก ไขข อม ลการส งซ อได การร บส นค า ระบบตรวจสอบข อม ลการส งซ อส นค าได กรอกข อม ลส นค าท ร บ พร อมพ มพ รายการจ ายช าระ บ นท กรายละเอ ยดข อม ลการร บส นค าได ระบบสามารถ เพ ม ลบ แก ไข ค นหาข อม ลได การจ ายช าระ ระบบตรวจสอบรายการร บส นค าได ระบบสามารถบ นท กข อม ลการจ ายช าระได เก บรายการจ ายช าระได ระบบสามารถตรวจสอบรายการส งซ อส นค าได รายงานเอกสารต างๆ รายงานการสม ครสมาช ก รายงานการย มหน งส อ รายงานการค นหน งส อ รายงานการส งซ อหน งส อ รายงานการร บส นค า รายงานการจ ายช าระ 1.4 เคร องม อท ใช ในการพ ฒนาระบบ ด านฮาร ดแวร เคร องคอมพ วเตอร จ านวน 1 เคร อง ด งรายละเอ ยดด งน - CPU Core 2 Duo 2.53 GHz - RAM 2 GB - HDD 250 GB

87 เคร องพ มพ (Printer) จ านวน 1 เคร อง ด านซอฟต แวร ระบบปฏ บ ต การ Windows Dark Edition V ระบบจ ดการฐานข อม ล Microsoft SQL Server 2005 (ใช เพ อสร างและจ ดการฐานข อม ล) โปรแกรม Visual studio.net(ใช เพ อเข ยนค าส งในการสร างโปรแกรม) โปรแกรม Crystal Repot 11.0(ใช เพ อออกรายงานต างๆ) 1.5 ว ธ การด าเน นงาน ศ กษาและว เคราะห ระบบงานย ม - ค นหน งส อร านแก นการ ต น ศ กษาด วยว ธ การส มภาษณ การพ ฒนาระบบ ศ กษาและความต องการของระบบข นตอนน เป นการศ กษาป ญหาและความ ต องการของระบบ โดยเก ยวข องก บกระบวนการท างานของระบบท ม อย ในป จจ บ น เพ อ น ามาว เคราะห และออกแบบพ ฒนาระบบ ศ กษาข นตอนการท างาน เป นการศ กษาข นตอนในการจ ดเก บข อม ลต าง ๆ เช น ข อม ลต าง ๆ เช น ข อม ลล กค าและการพ ฒนางานต างๆของระบบ ศ กษาเคร องม อการพ ฒนาระบบ เป นการศ กษาถ งว ธ การใช เคร องม อในเคร อง คอมพ วเตอร และซอฟต แวร ในการพ ฒนาระบบ การออกแบบระบบ การว เคราะห ระบบงานเด ม เป นการว เคราะห ระบบการท างานใน ระบบงานเด ม ของระบบงานย ม - ค นหน งส อท ม อย แล วว าม ข อบกพร องอะไรบ าง การว เคราะห ระบบงานใหม เป นการศ กษาถ งโครงสร างของระบบ งานพ ฒนา ระบบ เพ อจะน าเอาระบบสารสนเทศเข ามาช วยในการด าเน นงาน เพ อลดข อบกพร อง และสามารถประมวลผลได สะดวกเร วย งข น การพ ฒนาระบบ ข นตอนน เป นการสร างและพ ฒนาระบบงาน การทดสอบระบบ ท าการตรวจสอบเน อหาทดสอบเพ อหาข อผ ดพลาด

88 สร ปผลการด าเน นงาน สร ปผลการจ ดท าโครงงานท งหมดท ได พ ฒนาข น โดยจ ดท า ในร ปแบบของเอกสาร และรวบรวมเสนอแนะในคร งต อไป 1.6 ระยะเวลาในการด าเน นงาน ตารางท 1-1 แสดงระยะเวลาในการปฎ บ ต งาน พ.ศ ก จกรรม ม.ย. ก.ค ส.ค ก.ย. ต.ค พ.ย ธ.ค ม.ค ก.พ น าเสนอห วข อต ออาจารย ศ กษาและเก บรวบรวมข อม ล ว เคราะห และออกแบบระบบ พ ฒนาระบบ ทดสอบและแก ไขข อผ ดพลาด น าเสนอผลงานต อคณะกรรมการ จ ดท าค ม อ 1.7 ประโยชน ท คาดว าจะได ร บ ระบบงานสามารถน าไปพ ฒนาต อในอนาคตเพ อให สามารถใช งานได จร ง ก อให เก ดความรวดเร วในการปฏ บ ต งาน ระบบงานม ความเป นมาตรฐานมากข น การเก บข อม ลง าย สะดวก และรวดเร วมากข น

89 ภาคผนวก ค. รายงานการเข าพบอาจารย ท ปร กษา 241

90 242 รายงานการเข าพบอาจารย ท ปร กษา ช อเร อง ระบบบร หารจ ดการการย ม-ค นหน งส อ ร านแก นการ ต น จ งหว ดมหาสารคาม ผ ศ กษา 1.นางสาววช ดา ภ ผาบาง รห ส BC507 ท ปร กษา อาจารย เกร ยงศ กด จ นท นอก ว น/เด อน/ป รายวานความค บหน า/การให ค าปร กษา ลายม อช อท ปร กษา 19/10/2010 ขอค าปร กษาการท า ITP2 12/11/2010 เสนอส วนงานหน าร าน ให อาจารย ท ปร กษา พ จารณา และน าข อผ ดพลาดมาแก ไข 11/12/2010 เสนอร ปแบบการท าท าส จ บ ตร และ Template Poster ให อาจารย ท ปร กษา พ จารณา 12/01/2011 เสนองานแก อาจารย ท ปร กษาก อนข นสอบ 17/01/2011 น าเสนอระบบงานต อคณะกรรมการ