Cannot unregister UpdatePanel with ID 'UpdatePanel2' since it was not registered with the ScriptManager

I recently migrated my MasterPage from another framework to Syncfusion, all works fine, however, when I added the UpdatePanel tag, the error UpdatePanel came up.  Any help please?

Here is my code for my ASPX file:

<asp:Content ID="Content2" ContentPlaceHolderID="Test" runat="Server">
    <div>
        <script type="text/javascript" src="../Scripts/ChartData.js"></script>
        <asp:UpdatePanel runat="server">
            <ContentTemplate>

            </ContentTemplate>
        </asp:UpdatePanel>
        <ej:WaitingPopup runat="server" ID="waitingpopup" ShowOnInit="false"></ej:WaitingPopup>
        <ej:Chart ID="Chart1" runat="server" IsResponsive="true" >
            <PrimaryXAxis Title-Text="Test"></PrimaryXAxis>
            <PrimaryYAxis Title-Text="Test1"></PrimaryYAxis>
        </ej:Chart>
            <!--  jquery script  -->
    <script src="http://cdn.syncfusion.com/js/assets/external/jquery-1.10.2.min.js"></script>
    
    <!-- Essential JS UI widget -->
    <script src="http://cdn.syncfusion.com/16.1.0.32/js/web/ej.web.all.min.js"></script>
        <script>
            function ondataLabel(sender) {
                sender.data.location.x = sender.data.location.x + 20;
            }
        </script>
    </div>
</asp:Content>




1 Reply

KR Keerthana Rajendran Syncfusion Team June 18, 2018 10:29 AM UTC

Hi Mitchell,   
   
Thanks for contacting Syncfusion Support.   
   
We have checked the reported issue by including update panel in a chart sample and the sample works fine in our end.  We have attached a sample for your reference which can be downloaded from the below link   
   
   
We suggest you to try out the solutions provided in the below blogs to resolve the issue with update panel.   
   
   
   
   
   
Regards,   
Keerthana.  
 


Loader.
Up arrow icon