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BOOK: Professional ADO.NET 2: Programming with SQL Server 2005, Oracle, MySQL ISBN: 0-7645-8437-5
 | This is the forum to discuss the Wrox book Professional ADO.NET 2: Programming with SQL Server 2005, Oracle, and MySQL by Wallace B. McClure, Gregory A. Beamer, John J. Croft IV, J. Ambrose Little, Bill Ryan, Phil Winstanley, David Yack, Jeremy Zongker; ISBN: 9780764584374 |
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February 8th, 2006, 11:36 AM
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Object Reference not set to an instance of object
Hi friends,
This post is regarding deleting row in datagrid.
code in datagrid1_deletedCommand
1. dataSet11=new DataSet1();
2. DataSet1.T_POTT_PROJECT_MASTERRow dr;
3. long key=Convert.ToInt64(DataGrid1.DataKeys[e.Item.ItemIndex]);
4. dr=this.dataSet11.T_POTT_PROJECT_MASTER.FindByPRJ_ SL_NO(key);
5. dr.Delete();
6. oleDbDataAdapter1.Update(dataSet11);
7. oleDbDataAdapter1.Fill(dataSet11);
8. DataGrid1.DataBind();
when i gone through the Debug mode i observed that dr is undefined value
After Executing it is displaying
System:NullReferenceException
Object Reference not set to an instance of object
Help me fast i just stucked................
Thank in advance
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