如何将GRIDVIEW导出到EXCEL
  Sub ExportExcel(ByVal send As Object, ByVal e As EventArgs) 
        '导出EXCEL 
        Response.ContentType = "application/vnd.ms-excel" 
        Response.Charset = "" 
        Me.EnableViewState = False 
        Dim sw As System.IO.StringWriter = New System.IO.StringWriter() 
        Dim hw As System.Web.UI.HtmlTextWriter = New ystem.Web.UI.HtmlTextWriter(sw) 
        Dim nCur As Integer = GridView1.PageIndex 
        Dim nSize As Integer = GridView1.PageSize 
        GridView1.AllowPaging = False 
        GridView1.DataBind() 
       
        GridView1.RenderControl(hw)  '这一句出错!!! 
       
        GridView1.AllowPaging = True 
        GridView1.PageIndex = nCur 
        GridView1.PageSize = nSize 
        GridView1.DataBind() 
        Response.Write(sw.ToString()) 
        Response.End()          
    End Sub 
“/Asp.netBase”应用程序中的服务器错误。 
——————————————————————————– 
类型“GridView”的控件“ctl00_ContentPlaceHolder1_GridView1”必须放在具有 runat=server 的窗体标记内。
解决方法: 加入
Public Overrides Sub VerifyRenderingInServerForm(ByVal control As System.Web.UI.Control)
        
 End Sub
