在DataGrid中添加序號
<asp:TemplateColumn HeaderText="序號">
<ItemTemplate>
<asp:Label ID="lblNo" Runat="server" Text='<%#(dgDataLevelList.Items.Count+1).ToString()%>'></asp:Label>
</ItemTemplate>
</asp:TemplateColumn>
<ItemTemplate>
<asp:Label ID="lblNo" Runat="server" Text='<%#(dgDataLevelList.Items.Count+1).ToString()%>'></asp:Label>
</ItemTemplate>
</asp:TemplateColumn>