title: ASP.NET - The message received from the server could not be parsed
body: <p>I have aspxgridexporter and a button, when I click on the button it says: </p>
  
  <blockquote>
    <p>The message received from the server could not be parsed. </p>
  </blockquote>
  
  <p>I could not put Trigger it gives me an error saying the trigger is not found in update panel.</p>
  
  <p>this is my vb.net code and aspx code</p>
  
  <pre><code>Dim options As DevExpress.XtraPrinting.XlsExportOptions = New DevExpress.XtraPrinting.XlsExportOptions()
  options.SheetName = "grid"
  cusgrdexport.WriteXlsToResponse(options)
  </code></pre>
  
  <p>this is a part aspx code</p>
  
  <pre><code>&lt;asp:Button runat="server" ID="print"  text="printing" OnClick="print_Click" /&gt;
  &lt;dx:ASPxGridViewExporter ID="cusgrdexport" GridViewID="dgCustomer" ExportEmptyDetailGrid="True" FileName="Customers" runat="server"&gt;&lt;/dx:ASPxGridViewExporter&gt;
  &lt;dx:ASPxGridView runat="server" KeyFieldName="Id" AutoGenerateColumns="False"  ID="dgCustomer" ClientInstanceName="customergrid" CssFilePath="~/App_Themes/Glass/{0}/styles.css" CssPostfix="Glass" Width="690px" Font-Names="Verdana" Font-Size="8pt"&gt;
  </code></pre>
  
  <p><strong>I need a Solution Urgently, Please</strong></p>