Add AutoNumber in DataGrid

DataGrid in the ASPX file:
<asp:datagrid id= "DATAGRID1" runat= "Server" autogeneratecolumns= "False" allowpaging= "True" pagesize= "3" width= " 593px ">
<Columns>
<asp:templatecolumn headertext= "Number" ></asp:TemplateColumn>
</columns>//=============================================================================
ItemDataBound event in the DataGrid of the. aspx.cs file:
private void Datagrid1_itemdatabound (object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{//When the item is bound by data to the DataGrid control, the ItemDataBound event is raised
if (e.item.itemindex!=-1)
{
E.item.cells[0]. Text= (this. Datagrid1.currentpageindex*this. datagrid1.pagesize+e.item.itemindex+1). ToString ();
}
}
====================== so you add a nice number to your DataGrid ===============