vb.net - How to insert data into SQL Server database and retrieve it and put into datagridview? -


what want is, after insert data sql server database, datagridview retrieve added data database , add in row.

i'm new vb.net

code in dialog add form. name dlgadd

imports system.windows.forms imports system.data.sqlclient  public class dlgadd     dim constr string = "data source=server008;initial catalog=collectiondb;persist security info=true;user id=sa;password=p@ssw0rd1234"     dim sql string     dim sqlcon new sqlconnection     dim sqlcmd new sqlcommand     private sub ok_button_click(byval sender system.object, byval e system.eventargs) handles ok_button.click             sql = "insert datacollection(customername,or_no,sor_no,balance,cash_amount,check_amount) values('" & txtname.text & "','" & txtor.text & "','" & txtsor.text & "','" & txtbalance.text & "','" & txtcash.text & "','" & txtcheck.text & "')"         sqlcmd = new sqlcommand(sql, sqlcon)         sqlcmd.executenonquery()         me.dialogresult = system.windows.forms.dialogresult.ok     end sub      private sub cancel_button_click(byval sender system.object, byval e system.eventargs) handles cancel_button.click         me.dialogresult = system.windows.forms.dialogresult.cancel         me.close()     end sub      private sub dlgadd_load(byval sender system.object, byval e system.eventargs) handles mybase.load         sqlcon = new sqlconnection(constr)         sqlcon.open()     end sub end class  ' here code in maintrans form  dgmaindata datagridview.  imports system.data imports system.data.sqlclient  public class frmmaintrans     dim constr string = "data source=server008;initial catalog=collectiondb;persist security info=true;user id=sa;password=p@ssw0rd1234"     dim sql string = "select * datacollection"     dim sqlcon new sqlconnection     dim sqlcmd new sqlcommand     dim sqladapter sqldataadapter     dim sqlbuilder sqlcommandbuilder     dim sqldataset dataset     dim sqltable datatable     private sub getdata()         sqlcon = new sqlconnection(constr)         sqlcon.open()         sqlcmd = new sqlcommand(sql, sqlcon)         sqladapter = new sqldataadapter(sqlcmd)         sqlbuilder = new sqlcommandbuilder(sqladapter)         sqldataset = new dataset         sqladapter.fill(sqldataset, "datacollection")         sqltable = sqldataset.tables("datacollection")         sqlcon.close()         dgmaindata.datasource = sqldataset.tables("datacollection")         dgmaindata.readonly = true         dgmaindata.selectionmode = datagridviewselectionmode.fullrowselect     end sub     private sub btnadd_click(byval sender system.object, byval e system.eventargs) handles btnadd.click         dlgadd.showdialog()     end sub     private sub frmmaintrans_load(byval sender system.object, byval e system.eventargs) handles mybase.load         call getdata()      end sub end class


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