Hi, i want to auto generate serial no . in data grid
I am using this code
<asp:DataGrid ID="dgdefaulertlist" runat="server" Width="85%" AutoGenerateColumns="false"
BackColor="White" BorderColor="#E7E7FF" BorderStyle="None" BorderWidth="1px" CellPadding="3" GridLines="Horizontal" AllowPaging="True" PageSize="40" Height="10%" OnPageIndexChanged="dgdefaulertlist_PageIndexChanged" AllowSorting="True" >
<Columns>
<asp:TemplateColumn HeaderText = "Serial No.">
<ItemTemplate>
<asp:Label ID = "lblserial" Text ='<%# Container.DataItemIndex + 1%>' runat= "server"></asp:Label>
</ItemTemplate>
</asp:TemplateColumn>
<asp:BoundColumn HeaderText="Date" DataField="startdate"></asp:BoundColumn>
<asp:BoundColumn HeaderText="Employee Name" DataField="employeename"></asp:BoundColumn>
</Columns>
<FooterStyle BackColor="#B5C7DE" ForeColor="#4A3C8C" />
<SelectedItemStyle BackColor="#738A9C" Font-Bold="True" ForeColor="#F7F7F7" />
<PagerStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" HorizontalAlign="Right" Mode="NumericPages" />
<ItemStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" />
<HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#F7F7F7" />
<AlternatingItemStyle BackColor="#F7F7F7" />
</asp:DataGrid>
it gives error
'System.Web.UI.WebControls.DataGridItem' does not contain a definition for 'DataItemIndex'
Thanks in Advance