LINQ In C# LINQ LINQ In C# LINQ In C# 118 LINQ

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Marlene Turner
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1 LINQ In C# LINQ - LINQ In C# - LINQ In C# LINQ

4 PDF LINQ LINQ 31 25LINQ

5 DataSet DataAdapter ADONET Command DataAdapter Insert Update Delete Select SQL SQL SQL! SQL SQL LINQ LINQ! LINQ LINQ LINQ C# SQL LINQ

7 œ Ó " (Ó Î Ô ' Ú Ú C 7> 4 ( Ì Ú Úˇ Ú 3 / ( ( 4 Ú Ï - Ú ÚÚÚ ( ˇ ( 7 B0#& Ú Ô Ó fl ºªÆ ÿª æªæ Ì Ï

8 /! 5 Î Ú > ( ( 7/ Ú Ú Î

9 Ú B#& Ê f=/ Î Ê C Ú Ú 1 ( Z Ê Ú Z Ê Ú Ú Ú Ê Z0/ Ú Ú Í Ê Ú Ú Í

10 W Ú 7H Ú ÚÔ B#& ÚÓ Ú! ÚÌ (! Ú Ê œ Ú Ê Ú Ê Ú Ú Ê

12 Itnee Visual Studio (1 ) Server Explorer ServerExplorer -1

13 (2 ) Connect todatabase Connection String -2

15 (5 ) Server Explorer (6 Table ) - 5-6

16 (7 ) -7

nvarchar(20), @Family nvarchar(30) AS INSERT

17 (8 ) Stored Procedures - 8 Save (9 ) psave CREATE PROCEDURE nvarchar(30) AS INSERT INTO RETURN

18 9-9 Save pedit CREATE PROCEDURE nvarchar(30) AS UPDATE Table1 SET WHERE RETURN ) 4 ( Save CREATE PROCEDURE int AS DELETE FROM Table1 WHERE Row=@Row RETURN

19 - 10 LINQ To SQL LINQto SQL Project > Add New Item LINQ 11 LINQ tosql Classes LINQ - 11

20 LINQ (Table1, psave, pedit,pdelete) (12 ) (13 ) Connection String LINQ LINQ - 12 ConnectionString - 13

21 LINQ - 14 LINQ LINQdbml LINQ 15 Save - 15

22 Save var db = new LINQDataContext(); dbpsave(converttoint32(txrowtext), txnametext, txfamilytext);! LINQ psave LINQ (txrow) TextBox! ADONET ADONET //using SystemData; //using SystemDataSqlClient; Cn = new SqlConnection(@"Server=\SQLEXPRESS;AttachDbFilename=" + ApplicationStartupPath Security=True;User Instance=True"); CnOpen(); SqlCommand Cm = new SqlCommand("", Cn); CmCommandText = "INSERT INTO Table1(Row, Name, Family) VALUES(@Row,@Name,@Family)"; CmParametersAddWithValue("@Row",lbCodeText); CmParametersAddWithValue("@Name", txnametext); CmParametersAddWithValue("@Family", txfamilytext); CmExecuteNonQuery(); gvtable1 DataGridView Data Toolbox Save 16 gvtable1datasource = dbtable1s; ( Refresh ) Table1 Form1 Load private void Form1_Load(object sender, EventArgs e) var db = new LINQDataContext(); gvtable1datasource = dbtable1s;

txfamilytext); gvtable1datasource = dbtable1s; Close bin > Debug Debug!

23 private void btsave_click(object sender, EventArgs e) var db = new LINQDataContext(); dbpsave(converttoint32(txrowtext), txnametext, txfamilytext); gvtable1datasource = dbtable1s; Close bin > Debug Debug! Setup Itneeexe - 16 DataSet LINQ! TextBox Save ( ReadOnly txrow) ReadOnly Update Save Cancel Update pedit Save

TextBox fredit fredit txrow txname txfamily FormBorderStyle FixedSingle ReadOnly True Modifiers Public Modifiers Public MaximizeBox False Modifiers Public MinimizeBox StartPosition False CenterParent

24 TextBox fredit fredit txrow txname txfamily FormBorderStyle FixedSingle ReadOnly True Modifiers Public Modifiers Public MaximizeBox False Modifiers Public MinimizeBox StartPosition False CenterParent - 17 ) DoubleClick ( Modifiers=Public fredit TextBox private void gvtable1_doubleclick(object sender, EventArgs e) if (gvtable1rowcount > 0) var f = new fredit(); ftxrowtext = gvtable1currentrowcells["row"]valuetostring(); ftxnametext = gvtable1currentrowcells["name"]valuetostring(); ftxfamilytext = gvtable1currentrowcells["family"]valuetostring(); fshowdialog(); var db = new LINQDataContext(); gvtable1datasource = dbtable1s; //Refresh Grid After Edit btcancel btupdate fredit private void btupdate_click(object sender, EventArgs e) var db = new LINQDataContext(); dbpedit(converttoint32(txrowtext), txnametext, txfamilytext); Close(); private void btcancel_click(object sender, EventArgs e) Close();

", "Delete", MessageBoxButtonsYesNo, MessageBoxIconQuestion) == DialogResultYes) var db = new

25 btdelete private void btdelete_click(object sender, EventArgs e) if (gvtable1rowcount <= 0) return; if (MessageBoxShow("Do you want to delete?", "Delete", MessageBoxButtonsYesNo, MessageBoxIconQuestion) == DialogResultYes) var db = new LINQDataContext(); dbpdelete(converttoint32(gvtable1currentrowcells["row"]value)); gvtable1datasource = dbtable1s; //Refresh Grid After Delete - 18 LINQ SQL C# ) ADONET Database Application (

LINQ psearch ) 19 ( - 19 txfamilysearch TextChanged private void

LINQDataContext(); if (txfamilysearchtext == "") gvtable1datasource

dbtable1swhere(c => cfamilysubstring(0, txfamilysearchtextlength) ==

26 LINQ psearch ) 19 ( - 19 txfamilysearch TextChanged private void txfamilysearch_textchanged(object sender, EventArgs e) var db = new LINQDataContext(); if (txfamilysearchtext == "") gvtable1datasource = dbtable1s; //Load All Records to Grid else gvtable1datasource = dbtable1swhere(c => cfamilysubstring(0, txfamilysearchtextlength) == txfamilysearchtext)select(c => c); C LINQ Family Family (txfamilysearch )

27 Setup File > Add > New Project Itnee Setup - 20 Setup 21 Application Folder OK Setup 21

28 22 Shortcut Shortcut - 22 Setup (23 ) Application Folder Setup - 23 itnee_logldf itneemdf 2 Uninstall Setup Setup 24 Setup SolutionExplorer

29 Setup - 24 Setup Setup Debug < Setup < Setup Setupexe NET Windows7 Vista SQLExpress Net Framework 35 Setup NET Framework 35 XP Setup

30 Setup Property Pages Properties Solution Explorer Setup Prerequisites (25 ) Setup - 25 Prerequisites 26 Setup - 26 Download prerequisitesfrom the samelocation as my application! Setup Setup

32 LINQ LINQFast Visual Studio 1 LINQ 2 Project >Add New Item LINQ tosqlclasses - 1 LINQ tclass View >Server Explorer 3 ID Name Family Lesson Mark tclass int nvarchar(20) nvarchar(30) nvarchar(30) real

33 ! Connection String Yes gvclass cblesson lbresult btrun Form1 4 LINQ ( ) ( ) var db = new LINQDataContext(); gvclassdatasource = dbtclass ; Label var db = new LINQDataContext(); lbresulttext = dbtclassescount()tostring(); Count() -2

34 var db = new LINQDataContext(); lbresulttext = dbtclasseswhere(c => clesson == "Math")Count()ToString(); Where(c => clesson == "Math" clesson == "Computer") Where(c => cname == " " && cfamily == " ") Count() Count() null Max() Mark object var db = new LINQDataContext(); object mx = dbtclassesselect(c => cmark)max(); if (mx == null) lbresulttext = "No Mark"; else lbresulttext = mxtostring(); var db = new LINQDataContext(); object mx = dbtclassesselect(c => cmark)average(); if (mx == null) lbresulttext = "No Mark"; else lbresulttext = mxtostring(); Sum() Average() var db = new LINQDataContext(); gvclassdatasource = dbtclasseswhere(c => cid == 1)Select(c => c)first(); c Select 1 First() 2 Select! LINQ First

Select(c =>c) var q = dbtclasseswhere(c => cid == 1)Select(c => new cname, cfamily )First(); 2 q gvclassdatasource =

35 gvclassdatasource = dbtclasseswhere(c => cmark < 10)Select(c => c); First qfamily q q Family var db = new LINQDataContext(); var q = dbtclasseswhere(c => cid == 1)Select(c => c)first(); lbresulttext = qfamily; - 3! Select(c =>c) var q = dbtclasseswhere(c => cid == 1)Select(c => new cname, cfamily )First(); 2 q gvclassdatasource = dbtclasseswhere(c => cmark < 10)Select(c => c)orderby(c => cfamily); gvclassdatasource = dbtclassesselect(c => c)orderbydescending(c => cfamily);

36 gvclassdatasource = dbtclassesselect(c => c)orderby(c=>cfamily)thenby(c=>cname); For Take() Skip() for ( ) Skip() ( 1 ) SQL TOP Take() var q = dbtclassesselect(c => c)orderbydescending(c => cmark)take(3); if (3 <= dbtclassescount()) for (int i = 0; i < 3; i++) MessageBoxShow(qSelect(c => cfamily)skip(i)take(1)first()); if (dbtloginswhere(c => cpassword == txpasswordtext)count() == 0) MessageBoxShow("Invalid password!"); ComboBox cblessondatasource = dbtclassesselect(c => clesson)distinct(); Distinct()

38 Visual Studio (1 ) Server Explorer Server Explorer -1

39 (2 ) Connect to Database Connection String -2

41 (5 ) Server Explorer (6 Table ) - 5-6

42 (7 ) - 7

43 (8 ) Stored Procedures -8 Save (9 ) psave CREATE PROCEDURE nvarchar(30) AS INSERT INTO RETURN

44 - 9 Save pedit ) 4 ( Save CREATE PROCEDURE int AS DELETE FROM MyTable WHERE Row=@Row RETURN

45 - 10 LINQ To SQL LINQ to SQL Project > Add New Item LINQ 11 LINQ to SQL Classes LINQ - 11

46 C# Form1 Main ١ ٢ ٣ ۵

48 psave C# Form2 btncanecl // btnsave

49 pedie C# Form2 ٢ ١ ١ ١ ١ picture box btncanecl btnsave /

50 /

52 psave C# Form4

55 btncancel private void btncancel_click_1(object sender, EventArgs e) btnaddenabled = true;// btnsaveenabled = false;// btndelenabled = true;// btneditenabled = true;// btncancelenabled = false;// datagridview1refresh(); // thisnonetext();// thisdistxt();// void distxt()// txtaddenabled = false;// txtfamilyenabled = false;// txtnameenabled = false;// txtrowenabled = false;// txttelenabled = false;// void entxt()// txtaddenabled = true;// txtfamilyenabled = true;// txtnameenabled = true;// txtrowenabled = true;// txttelenabled = true;// void nonetext() txtaddtext = "";// txtfamilytext = "";// txtnametext = "";// txtrowtext = "";// txtteltext = "";//

57 - LINQ main DataBase

58 MoshakhasatTable PraimeryKey nvarchar 50 nvarchar 50 id_ integer integer date_st date vaziate_e nvarchar 10 ghes t bit 0 1 date name family _personely id_ozviat tart_ozviat estekhdami smate_kari tel_kari tel_mobile active date_end Not Null

Praimery Key Not Null integer date date id_vam

59 Table Name mablaghe_mahane Praimery Key Not Null code_mablgh date_mahane mablagh Table Name sabte_vam Praimery Key Not Null integer date date id_vam date_start date_end money mablaghe_vam tedade_aghsat money mablaghe_ghest

Table Name table_vasete Table Name estekhdam integer nvarchar 50 nvarchar 50 integer vaziate_e nvarchar 10 dat date teda integer tedade_aghsat

60 Table Name table_vasete Table Name estekhdam integer nvarchar 50 nvarchar 50 integer vaziate_e nvarchar 10 dat date teda integer tedade_aghsat integer date integer vaziate_e nvarchar 10 id_ozviat name family id_vam estekhdami te_get_vam ade_aghsat t_pardakhti e_get_ghest estekhdami Not Null

61 SQL Options and settings Debug Table and Database Designers Database Tools Prevent saving changes that require table re-creation

62 add_mahane mablaghe_mahane ALTER PROCEDURE money AS insert into RETURN add_moshakhas moshakhasat ALTER PROCEDURE date as insert into moshakhasat values return add_new_vam sabte_vam ALTER PROCEDURE money AS insert into sabte_vam values return

63 add_vamgirandegan table_vasete ALTER PROCEDURE date as insert into return del_mablaghe_mahane mablaghe_mahane ALTER PROCEDURE int AS DELETE FROM mablaghe_mahane WHERE RETURN del_moshakhsat moshakhasat ALTER PROCEDURE int AS DELETE FROM moshakhasat WHERE RETURN

64 del_vam_girandegan table_vasete ALTER PROCEDURE int AS DELETE FROM table_vasete WHERE RETURN del_vam_sabt_shde sabte_vam ALTER PROCEDURE int AS DELETE FROM sabte_vam WHERE RETURN as malaghe_mahane display_sabte_haghe_ozviat ALTER PROCEDURE display_sabte_haghe_ozviat as select date_mahane as " ", mablaghe_mahane1 as " ", tedade_azaie_active as " ", jame_mahane_akhz_shode as " ", jame_mahane_pardakhti as " " from mablaghe_mahane

65 as sabte_vam display_sabte_vam ALTER PROCEDURE display_sabte_vam as select id_vamas as " ", date_start as " ", mablaghe_vam as " ", tedade_aghsat as " ", mablaghe_aghsat as " " from sabet_vam moshakhasat display_vam_girandegan sabte_vam table_vasete ALTER PROCEDURE display_vam_girandegan as select moshakhasatid_ozviat, moshakhasatname, moshakhasatfamily, sabte_vamid_vam, sabte_vamdate_start, sabte_vammablaghe_vam, table_vasetedate_get_vam from moshakhasat, table_vasete, sabte_vam where table_vaseteid_vam = sabte_vamid_vam and moshakhasatid_ozviat = table_vaseteid_ozviat

66 edit_dore_vam sabte_vam ALTER PROCEDURE money as Update sabte_vam Set where return edit_mahane mablaghe_mahane ALTER PROCEDURE money as Update mablaghe_mahane Set date_mahane=date_mahane, Where return

67 edit_moshakhasat moshakhasat ALTER PROCEDURE nvarchar(10) as Update moshakhasat Set Where return edit_vam_girandegan table_vasete ALTER PROCEDURE date as update table_vasete set where RETURN

main C# Form_main Lable PicturBox ButtonName = button_sabte_moshakhasa t ButtonName =

button_sabte_moshakhasat Form_sabte moshakhasat private void button_open_moshakhasat_click(object

open_form1showdialog( (); button_sabte_vam Form_sabte_vamgirandegan private void

69 main C# Form_main Lable PicturBox ButtonName = button_sabte_moshakhasa t ButtonName = button_sabte_vamgirandegan ButtonName = button_haghe_ozviat Button Name = button sabte_vam button_sabte_moshakhasat Form_sabte moshakhasat private void button_open_moshakhasat_click(object sender, EventArgs e) Form_sabte_moshakhasatt open_form1 = new Form_sabte_moshakhasat(); open_form1showdialog( (); button_sabte_vam Form_sabte_vamgirandegan private void button_sabte_vam_girande_click(object sender, EventArgs e) Form_sabte_vamgirandegan open_form3 = new Form_sabte_vamgirandegan(); open_form3showdialog();

70 button_haghe_ozviat sabte_mablaghe_mahane private void button_haghe_ozviat_click(object sender, EventArgs e) Form_sabte_mablaghe_mahane open_form4 = new Form_sabte_mablaghe_mahane(); open_form4showdialog(); button_sabt_vam sabte_mablaghe_mahane private void button_sabt_vam_click(object sender, EventArgs e) Form_sabte_vam open_form5 = new Form_sabte_vam(); open_form5showdialog();

C# Form_sabte_moshakhasat TextBox Name = box_date_ozviat TextBox Name =

TextBoxName = box_name heckboxname= heck_active extbox Name = box_date_end

button_delet TextBox Name = box_mahale_kar ComboBox Name = combo_estekhdami

lable7 Lable Name = lable6 TextBox Name = box_inset_serch Lable Name = lable9

71 C# Form_sabte_moshakhasat TextBox Name = box_date_ozviat TextBox Name = box_id_ozviat TextBox Name = box_id_personely TextBox Name = box_family TextBoxName = box_name heckboxname= heck_active extbox Name = box_date_end extbox Name = box_tel_mobile extbox Name = box_tel_kari ButtonName= button_delet TextBox Name = box_mahale_kar ComboBox Name = combo_estekhdami ButtonName = button_sabte_jadid ButtonName= button_sabte_taghira Lable Name = lable7 Lable Name = lable6 TextBox Name = box_inset_serch Lable Name = lable9 DateGridView Name = datagridview_moshakhasat ButtonName= button_serch Lable Name = label natije_serch

72 Form1_Load Main Load private void Form1_Load(object sender, EventArgs e)// var om = new LinqDataContext();// datagridview_moshakhastdatasource = ommoshakhasats OrderBy(c => cid_ozviat); // combo_estekhdamdatasource = omestekhdamsselect(c => cvaziat_estekhdam); label_natije_serchtext = " ";// label9text = ommoshakhasatscount()tostring();// label6text = ommoshakhasatswhere(c => cactive == false) Count()ToString();// label7text = ommoshakhasatswhere(c => cactive == true ) Count()ToString();// button_sabte_jadid add_moshakhsat private void button_sabte_jadid_click(object sender, EventArgs e)// var om = new LinqDataContext();// omadd_moshakhasat (Box_nameText, Box_familyText, ConvertToInt32(Box_id_personelyText),ConvertToInt32(Box_id_ozviatText), ConvertToDateTime(Box_date_ozviatText),combo_estekhdamText, Box_mahale_karText, Box_tel_kariText, Box_tel_mobileText, check_activechecked,converttodatetime(box_date_endtext)); datagridview_moshakhastdatasource = ommoshakhasatsorderby(c => cid_ozviat);// Box_nameText="";// Box_familyText = "";// Box_id_personelyText = "";// Box_id_ozviatText = "";// Box_date_ozviatText = "";// Box_mahale_karText = "";// Box_tel_kariText = "";// Box_tel_mobileText = "";// label9text = ommoshakhasatscount()tostring();// label6text = ommoshakhasatswhere(c => cactive == false) Count()ToString();// label7text = ommoshakhasatswhere(c => cactive == true) Count()ToString();//

73 box_insert_serch DataGridView_moshakhasat button_serch label_natije_serch private void button_serch_click(object sender, EventArgs e)// var om = new LinqDataContext();// if (box_insert_serchtext == "") label_natije_serchtext = "! "; else if (box_insert_serchtext!= "") datagridview_moshakhastdatasource = null; datagridview_moshakhastdatasource = ommoshakhasats Where(c => cfamily == box_insert_serchtext)select(c => c); label_natije_serchtext = " "; else label_natije_serchtext = " "; button_sabte_taghirat edit_moshakhsat private void button_sabte_taghirat_click(object sender, EventArgs e)// var om = new LinqDataContext();// omedit_moshakhasat(box_nametext, Box_familyText, ConvertToInt32(Box_id_personelyText), ConvertToInt32(Box_id_ozviatText), ConvertToDateTime(Box_date_ozviat), combo_estekhdamtext, Box_mahale_karText, Box_tel_kariText, Box_tel_mobileText); // datagridview_moshakhastdatasource = ommoshakhasatsorderby(c => cid_ozviat);//

74 DataGridView_moshakhasat Form_sabte_moshakhasat TextBox private void datagridview1_cellcontentclick(object sender,datagridviewcelleventargs e) if (datagridview_moshakhastrowcount>0) var gv=new Form_sabte_moshakhasat();// gvbox_nametext=datagridview_moshakhastcurrentrowcells ["name"]valuetostring(); gvbox_familytext = datagridview_moshakhastcurrentrowcells ["family"]valuetostring(); gvbox_id_personelytext = datagridview_moshakhastcurrentrowcells ["id_personely"] ValueToString(); gvbox_id_ozviattext = datagridview_moshakhastcurrentrowcells ["id_ozviat"]valuetostring(); gvbox_date_ozviattext = datagridview_moshakhastcurrentrowcells ["date_start_ozviat"]valuetostring(); gvcombo_estekhdamtext = datagridview_moshakhastcurrentrowcells ["vaziate_estekhdami"]valuetostring(); gvbox_mahale_kartext = datagridview_moshakhastcurrentrowcells ["gesmate_kari"]valuetostring(); gvbox_tel_karitext = datagridview_moshakhastcurrentrowcells ["tel_kari"]valuetostring(); gvbox_tel_mobiletext = datagridview_moshakhastcurrentrowcells ["tel_mobile"]valuetostring();

75 ) button_delete del_moshkhasat ( private void button_delete_click(object sender, EventArgs e) var om = new LinqDataContext();// omdel_moshakhasat(converttoint32(box_id_ozviattext));// datagridview_moshakhastdatasource = ommoshakhasatsorderby(c => cid_ozviat);// Box_nameText = "";// Box_familyText = "";// Box_id_personelyText = "";// Box_id_ozviatText = "";// Box_date_ozviatText = "";// Box_mahale_karText = "";// Box_tel_kariText = "";// Box_tel_mobileText = "";// label9text = ommoshakhasatscount()tostring();// label6text = ommoshakhasatswhere(c => cactive == false ) Count()ToString();// label7text = ommoshakhasatswhere(c => cactive == true) Count()ToString();// check_active true box_date_end false private void check_active_checkedchanged(object sender, EventArgs e) if (check_activechecked == true)// Box_date_endReadOnly = false;//

C# Form_sabte_mablaghe_mahane TextBox Name = box_mablaghe_mahane

ButtonName = button_delete ButtonName = button_sabte_edit ButtonName

Form_mablaghe_haghe ozviat_load(object sender, EventArgs e) var om =

76 C# Form_sabte_mablaghe_mahane TextBox Name = box_mablaghe_mahane TextBox Name = box_date_start TextBox Name = box_code_mahane ButtonName = button_delete ButtonName = button_sabte_edit ButtonName = button_sabte_new Load Form_sabte_mablaghe_mahane Load private void Form_mablaghe_haghe ozviat_load(object sender, EventArgs e) var om = new LinqDataContext();// datagridview_mahanedatasource = ommablaghe_mahanes;//

77 button_sabte_new add_mahane private void button_sabte_new_click(object sender, EventArgs e) var om = new LinqDataContext();// omadd_mahane(converttoint32(box_code_mahanetext), ConvertToDateTime(Box_date_startText), ConvertToInt64(Box_mablaghe_mahaneText)); datagridview_mahanedatasource = ommablaghe_mahanes; // Box_code_mahaneText = ""; Box_date_startText = ""; Box_mablaghe_mahaneText = ""; button_sabte_edit edit_mahane private void button_sabte_edit_click(object sender, EventArgs e) var om = new LinqDataContext();// omedit_mahane(converttoint32(box_code_mahanetext), ConvertToDateTime(Box_date_startText), ConvertToInt64(Box_mablaghe_mahaneText)); datagridview_mahanedatasource = ommablaghe_mahanes; // Box_code_mahaneText = ""; Box_date_startText = ""; Box_mablaghe_mahaneText = ""; button_delete del_mablaghe_mahane private void button_delete_click(object sender, EventArgs e) var om = new LinqDataContext();// omdel_mablaghe_mahane(converttoint32(box_code_mahanetext)); // datagridview_mahanedatasource = ommablaghe_mahanes;// Box_code_mahaneText = ""; Box_date_startText = ""; Box_mablaghe_mahaneText = "";

78 DataGridView_moshakhasat button_haghe_ozviat TextBox private void datagridview_mahane_cellcontentclick(object sender, DataGridViewCellEventArgs e) if (datagridview_mahanerowcount > 0) var gv_mahane = new Form_kasre_haghe_ozviat_mahane(); gv_mahanebox_code_mahanetext = datagridview_mahanecurrentrowcells ["code_mahane"]valuetostring(); gv_mahanebox_date_starttext = datagridview_mahanecurrentrowcells ["date_mahane"]valuetostring();// gv_mahanebox_mablaghe_mahanetext = datagridview_mahanecurrentrowcells ["mablagh"]valuetostring();//

C# Form_sabte_mablaghe_mahane TextBoxName= date_akhze_vam ComboBox Name = combo_id_vam TextBoxName= box_family TextBox Name = box_name ComboBox Name= combo_id_ozvit ButtonName = button_sabte_edit

DataGridViewName= DataGridView_vam_ girandegan Load Form_sabte_vamgirandegan Load private void Form_sabte_vamgirandegan_Load(object sender, EventArgs e) var om = new LinqDataContext();

79 C# Form_sabte_mablaghe_mahane TextBoxName= date_akhze_vam ComboBox Name = combo_id_vam TextBoxName= box_family TextBox Name = box_name ComboBox Name= combo_id_ozvit ButtonName = button_sabte_edit ButtonName= button_delete ButtonName = button _sabe_new_vam ComboBox Name = combo_view_vam TextBoxName= button_serch_id_ozvit TextBox Name = box_serch_id_ozviat Lable Name = lable_natije_serch DataGridViewName= DataGridView_vam_ girandegan Load Form_sabte_vamgirandegan Load private void Form_sabte_vamgirandegan_Load(object sender, EventArgs e) var om = new LinqDataContext(); datagridview_vam_girandegandatasource = omdisplay_vam_girandegan( ()Select(c=> c)orderby(c =>cdate_get_vam); // combo_id_ozviatdatasource = ommoshakhasatsselect(c => c)orderby( c => cid_ozviat);// combo_id_vamdatasource = omsabte_vamsselect(c => c)orderby(c => cid_vam); label_natije_serchtext = " ";// label_tedadtext = " "; label_text_tedadtextt = "0";

80 combo_id_ozvit private void combobox2_selectedvaluechanged(object sender, EventArgs e) var om = new LinqDataContext();// // if (ConvertToInt32(combo_id_ozviatText)== ConvertToInt32(combo_id_ozviatDataSource)) Box_nameText = ommoshakhasatsselect(c => cname)tostring(); Box_familyText = ommoshakhasatsselect(c => cfamily)tostring(); button_sabte_new add_vamgirandegan_table_vasete private void button_sabe_new_vam_click(object sender, EventArgs e) var om = new LinqDataContext();// omadd_vamgirandegan_table_vasete(converttoint32(combo_id_ozviattext), Box_nameText, Box_familyText, ConvertToInt32(combo_id_vamText), ConvertToDateTime(Box_date_akhze_vamText)); combo_id_ozviattext = ""; Box_nameText = ""; Box_familyText = ""; combo_id_vamtext = ""; Box_date_akhze_vamText = ""; button_sabte_edit edit_vamgirandegan private void button_sabte_edit_click(object sender, EventArgs e) var om = new LinqDataContext(); omedit_vam_girandegan(converttoint32(combo_id_ozviattext),box_nametext, Box_familyText,ConvertToInt32(combo_id_vamText), ConvertToDateTime(Box_date_akhze_vamText)); combo_id_ozviattext = ""; Box_nameText = ""; Box_familyText = ""; combo_id_vamtext = ""; Box_date_akhze_vamText = "";

81 button_delete del_vamgirandegan private void button_delete_click(object sender, EventArgs e) var om = new LinqDataContext(); omdel_vam_girande(converttoint32(combo_id_ozviattext)); box_serch_id_ozviat button_serch_id_ozviat DataGridView_vamgirandegan label_natije_serch private void button serch_id_ozviat_click(object sender, EventArgs e) var om = new LinqDataContext();// if (Box_serch_id_ozviatText == "") label_natije_serchtext = " "; else if (Box_serch_id_ozviatText!= "") datagridview_vam_girandegandatasource = omtable_vaseteswhere(c => cid_ozviat == ConvertToInt32(Box_serch_id_ozviatText))Select(c => c); label_natije_serchtext = " "; else label_natije_serchtext = " "; combo_view_vam private void combo_view_vam_selectedindexchanged(object sender, EventArgs e) var om = new LinqDataContext();// if (ConvertToInt32(combo_view_vamText) == ConvertToInt32(combo_view_vamDataSource)) datagridview_vam_girandegandatasource = omtable_vasetesselect(c => c)where(c => cid_vam == ConvertToInt32(combo_view_vamDataSource)); label_tedadtext = omtable_vaseteswhere(c => cid_vam == ConvertToInt32(combo_view_vamDataSource))Count()ToString(); label_text_tedadtext = " ";

ButtonName = button_sabe_edit DataGridViewName= DataGridView_sbte_vam Load Form_sabte_vam Load private void

82 C# Form_sabt_vam TextBoxName= box_end_dore TextBox Name = box_tedade_aghsat TextBox Name = box_date_start TextBox Name = box_mablaghe_vam TextBox Name = box id_vam TextBox Name = box_malaghe_ghest ButtonName = button_sabe_new ButtonName = button_delete ButtonName = button_sabe_edit DataGridViewName= DataGridView_sbte_vam Load Form_sabte_vam Load private void Form_sabte_vam_Load(object sender, EventArgs e) var om = new LinqDataContext();// datagridview_sbte_vamdatasource = omsabte_vamsselect(c => c) OrderBy(c => cid_vam);

83 button_sabte_edit edit_dore_vam private void button_sabte_edit_click(object sender, EventArgs e) var om = new LinqDataContext();// omedit_dore_vam (ConvertToInt32(Box_id_vamText), ConvertToDateTime(Box_date_startText), ConvertToDateTime(Box_end_doreText), ConvertToInt64(Box_mablaghe_vamText), ConvertToInt32(Box_tedade_aghsatText), ConvertToInt64(ConvertToInt64(Box_mablaghe_vamText) / ConvertToInt64(Box_mablaghe_gest))); datagridview_sbte_vamdatasource = omsabte_vamsselect(c=>c) OrderBy(c=> cid_vam);// Box_id_vamText = "";// Box_date_startText = "";// Box_end_doreText = "";// Box_mablaghe_vamText = "";// Box_tedade_aghsatText = "";// Box_mablaghe_gestText = "";// button_sabte_new add_new_vam private void button_sabte_new_click(object sender, EventArgs e) var om = new LinqDataContext();// omadd_new_vam(converttoint32(box_id_vamtext), ConvertToDateTime(Box_date_startText), ConvertToDateTime(Box_end_doreText), ConvertToInt64(Box_mablaghe_vamText), ConvertToInt32(Box_tedade_aghsatText), ConvertToInt64(ConvertToInt64(Box_mablaghe_vamText) / ConvertToInt64(Box_mablaghe_gest))); datagridview_sbte_vamdatasource = omsabte_vamsselect(c => c) OrderBy(c => cid_vam); Box_id_vamText = "";// Box_date_startText = "";// Box_end_doreText = "";// Box_mablaghe_vamText = "";// Box_tedade_aghsatText = "";// Box_mablaghe_gestText = "";//

84 button_delete del_vam_sabt_shode private void button_delete_click(object sender, EventArgs e) var om = new LinqDataContext();// omdel_vam_sabt_shode(converttoint32(box_id_vamtext)); datagridview_sbte_vamdatasource = omsabte_vamsselect(c => c) OrderBy(c => cid_vam); Box_id_vamText = "";// Box_date_startText = "";// Box_end_doreText = "";// Box_mablaghe_vamText = "";// Box_tedade_aghsatText = "";// Box_mablaghe_gestText = "";// DataGridView_sbte_vam button_haghe_ozviat TextBox private void datagridview_sbte_vam_cellcontentclick(object sender, DataGridViewCellEventArgs e) if (datagridview_sbte_vamrowcount > 0) var gv_sabte_vam = new Form_sabte_vam(); gv_sabte_vambox_id_vamtext = datagridview_sbte_vamcurrentrowcells ["id_vam"]valuetostring(); gv_sabte_vambox_date_starttext = datagridview_sbte_vamcurrentrowcells ["date_start"]valuetostring(); gv_sabte_vambox_end_doretext = datagridview_sbte_vamcurrentrowcells ["date_end"]valuetostring(); gv_sabte_vambox_mablaghe_vamtext = datagridview_sbte_vamcurrentrowcells ["mablaghe_vam"]valuetostring(); gv_sabte_vambox_tedade_aghsattext = daagridview_sbte_vamcurrentrowcells ["tedade_aghsat"]valuetostring(); gv_sabte_vambox_mablaghe_gesttext=datagridview_sbte_vamcurrentrowcells ["mablaghe_ghest"]valuetostring();

C# winforms gridview

C# winforms gridview using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms;