Microsoft JScript runtime error: 'this.m_clientController' is null or not an object

Visual Studio 2008 and Report viewer 9.0 with Update Panel ( Neither the VS 2005 nor the VS 2008 version of the report viewer is supported with ASP.NET AJAX)

This kind of Error we can Handle just write a Trigger for that so there no Scope to Get error this kind of Error

 Place  RepoViewer in Update Panel and Write the Postback Trigger.

<cc1:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">

    </cc1:ToolkitScriptManager>

       <asp:UpdatePanel ID="UpdatePanel1" runat="server">

         <Triggers >

            <asp:PostBackTrigger ControlID="btnGetReport" />

         </Triggers>

        <ContentTemplate>

<asp:Button ID="btnGetReport" runat="server" Text="View Report"  

            onclick="btnGetReport_Click" />

 <table><tr><td>

     <rsweb:ReportViewer ID="MyReportViewer" runat="server" ProcessingMode="Remote" Width="900px"  >

    </rsweb:ReportViewer>

    

     </td></tr></table>

</ContentTemplate>

    </asp:UpdatePanel>