Update Panel with Grid View With progress bar ASP.NET C#

<asp:UpdatePanel ID="UpdGrid" runat="server" UpdateMode="Always">

            <ContentTemplate>

                <asp:UpdateProgress ID="updprogress" runat="server" DisplayAfter="0"  AssociatedUpdatePanelID="UpdGrid">

       <ProgressTemplate>

       <label>Please Wait...............</label>

       </ProgressTemplate>

       </asp:UpdateProgress>

 <asp:GridView ID="GridInvoice" runat="server" GridLines="None" AllowPaging="false">

</asp:GridView>

</ContentTemplate>

        </asp:UpdatePanel>