girdView数据导出Excel

/// <summary>
    /// 导出分页
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void btnExport_Click(object sender, EventArgs e)
    {
        Response.Clear();
        Response.AddHeader("content-disposition", "attachment;filename=FileName.xls");
        Response.Charset = "gb2312";
        Response.ContentType = "application/vnd.xls";
        System.IO.StringWriter stringWrite = new System.IO.StringWriter();
        System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);

        gvScenic.AllowPaging = false;
        bindData();
        gvScenic.RenderControl(htmlWrite);

        Response.Write(stringWrite.ToString());
        Response.End();
        gvScenic.AllowPaging = true;
        bindData();
    }

public override void VerifyRenderingInServerForm(Control control)
    {

    }

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="test.aspx.cs" Inherits="testtest" EnableEventValidation = "false" %>

EnableEventValidation = "false"