web页面运用GridView导出EXCEL

web页面运用GridView导出EXCEL
protected void LinkButton1_Click(object sender, EventArgs e)
     {
         Response.Clear();
         Response.Buffer = true;
         Response.Charset = "GB2312";
         Response.AppendHeader("Content-Disposition", "attachment;filename=FileName.xls");
         // 如果设置为 GetEncoding("GB2312");导出的文件将会出现乱码！！！
         Response.ContentEncoding = System.Text.Encoding.UTF7;
         Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。
         System.IO.StringWriter oStringWriter = new System.IO.StringWriter();
         System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
         this.GridView1.RenderControl(oHtmlTextWriter);
         Response.Output.Write(oStringWriter.ToString());
         Response.Flush();
         Response.End();
     }
   public override void VerifyRenderingInServerForm(Control control)
   { }
   protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
   {
       if (e.Row.RowType == DataControlRowType.DataRow)
       {
           e.Row.Cells[1].Attributes.Add("style", "vnd.ms-excel.numberformat:@;");
       }
   }