导出excel文件问题[WEB学习实例]

protected void Chu_Click()//导出数据
{
Response.Clear();
Response.AddHeader("content-disposition", "attachment;filename=" + FileName + ".xls");
Response.Charset = "";
Response.ContentType = "application/vnd.xls";
System.IO.StringWriter stringWrite = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);
DataList1.RenderControl(htmlWrite);
DataList3.RenderControl(htmlWrite);
Response.Write(stringWrite.ToString());
Response.End();
}



public partial class tushi_xinxi : System.Web.UI.Page
{
public override void VerifyRenderingInServerForm(Control control)//加这段 。。空方法 使控件都被加载入server里
{ }

}