<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" AllowPaging="true"
    OnPageIndexChanging="OnPageIndexChanging" PageSize="20">
    <Columns>
        <asp:BoundField ItemStyle-Width="150px" DataField="ViewID" HeaderText="ViewID" />
        <asp:BoundField ItemStyle-Width="150px" DataField="BankName" HeaderText="BankName" />
        <asp:BoundField ItemStyle-Width="150px" DataField="Price" HeaderText="Price" />
        <asp:BoundField ItemStyle-Width="150px" DataField="Interest" HeaderText="Interest" />
        <asp:BoundField ItemStyle-Width="150px" DataField="TotalAmount" HeaderText="TotalAmount" />
        <asp:BoundField ItemStyle-Width="150px" DataField="EmiPlan" HeaderText="EmiPlan" />
        <asp:BoundField ItemStyle-Width="150px" DataField="Amount" HeaderText="Amount" />
    </Columns>
this code is working but the problem is i want to dipaly no like this 1,2,3,4,5........ when i click on 2 it will display 3456..... like wise plz help