Thank you very much cjard, Arg81,
Sorry for misquoting.
Actually sno is "ItemNo"
DataTable has "ItemNo", "ProdId", "prodName" Columns and it is bound with a DataGrid.
Now the "ItemNo" is Row Number ( Rowindex 0 is ItemNo 1, Rowindex 1 isItemNo 2, and so on.
If we set "ItemNo" column to...