asp.net 2.0中，gridview导出到excel

    public override void VerifyRenderingInServerForm(Control control)
    {

        // Confirms that an HtmlForm control is rendered for

    }

    protected void Button1_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);

      
        GridView1.AllowPaging = false;
        BindData();
        GridView1.RenderControl(htmlWrite);

        Response.Write(stringWrite.ToString());

        Response.End();

        GridView1.AllowPaging = true;
        BindData();

    }