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：