GridView to Excel - prevents
"RegisterForEventValidation can only be called during Render()"
'---------------------------------------------------------
'aspx
'---------------------------------------------------------
<%@ Page Language="vb" AutoEventWireup="true" enableEventValidation ="false" CodeBehind="AssayList.aspx.vb" Inherits="TestRequest.AssayList"
%>
'---------------------------------------------------------
'aspx.vb
'---------------------------------------------------------
Protected Sub ibExcelExport_Click(ByVal sender As Object, ByVal e As System.Web.UI.ImageClickEventArgs) Handles ibExcelExport.Click
ExportToExcel("MyReport.xls",
Me.gv1)
End Sub
Public Overloads Overrides Sub VerifyRenderingInServerForm(ByVal control As
Control)
End Sub
Public Sub ExportToExcel(ByVal strFileName As String, ByVal dg As GridView)
Response.Clear()
Response.Buffer = True
Response.ContentType = "application/vnd.ms-excel"
Response.Charset = ""
Me.EnableViewState
= False
Dim
oStringWriter As New
System.IO.StringWriter
Dim
oHtmlTextWriter As New
System.Web.UI.HtmlTextWriter(oStringWriter)
dg.RenderControl(oHtmlTextWriter)
Response.Write(oStringWriter.ToString())
Response.[End]()
End Sub