实现将Web页面的内容，Export To Excel的功能

public void ToExcel(System.Web.UI.Control ctl, string FileName)
    {
        HttpContext.Current.Response.Charset = "UTF-8"; // 或UTF-7 以防乱码
        HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.Default;
        HttpContext.Current.Response.ContentType = "application/ms-excel";
        HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + "" + FileName + ".xls");
        ctl.Page.EnableViewState = false;
        System.IO.StringWriter tw = new System.IO.StringWriter();
        System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter(tw);
        ctl.RenderControl(hw);
        HttpContext.Current.Response.Write(tw.ToString());
        HttpContext.Current.Response.End();
        ctl.Page.EnableViewState = true;
    }

原文： http://free56.cn/post/4.html