سلام
موقع حذف اطلاعات از جدول این خطا رو میده :


The IListSource does not contain any data sources. 

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 



Exception Details: System.Web.HttpException: The IListSource does not contain any data sources.



Source Error: 





Line 115:			this.sqlCon.Open();

Line 116:			this.sqlDataA.Fill(dataSet1);

Line 117:			this.DataGrid1.DataBind();

Line 118:			this.sqlCon.Close();

Line 119:		}


با این کد اطلاعاتم رو حذف میکنم

			this.sqlCom.CommandText="delete from about where aboutname=N'"

				+e.Item.Cells[0].Text

				+"'";

			this.sqlCon.Open();

			this.sqlCom.ExecuteNonQuery();

			this.sqlDataA.Fill(dataSet1);

			this.DataGrid1.DataBind();

			this.sqlCon.Close();