Thanks Pandian for ur prompt reply below is my code. Actualy i wanted to modify filted dataview. can u give some suggestion on this. daConverstion.SelectCommand = scmdConversion daConverstion.Fill(dsConversion, "Duplicate") Dim MyDataView As DataView = New DataView(dsConversion.Tables("Duplicate"), "Duplicate_Group_Id=100", "Duplicate_Group_Id", DataViewRowState.CurrentRows) MyDataView.AllowEdit = True MyDataView.Item(0).Row(0) = "11"