ASP.NET-无法解析从服务器收到的消息

Question

I have aspxgridexporter and a button, when I click on the button it says:

The message received from the server could not be parsed.

I could not put Trigger it gives me an error saying the trigger is not found in update panel.

this is my vb.net code and aspx code

Dim options As DevExpress.XtraPrinting.XlsExportOptions = New DevExpress.XtraPrinting.XlsExportOptions()
options.SheetName = "grid"
cusgrdexport.WriteXlsToResponse(options)

this is a part aspx code

<asp:Button runat="server" ID="print"  text="printing" OnClick="print_Click" />
<dx:ASPxGridViewExporter ID="cusgrdexport" GridViewID="dgCustomer" ExportEmptyDetailGrid="True" FileName="Customers" runat="server"></dx:ASPxGridViewExporter>
<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">

I need a Solution Urgently, Please

Answer 1

I Have Found the Answer for that

Dim sm As ScriptManager = CType(Page.Master.FindControl("ScriptManager1"), ScriptManager)
        sm.RegisterPostBackControl(Button)

This will do it