下载Excel

    //this.export_data.InnerHtml = sb.ToString();

    Response.Clear();

    Response.Buffer = true; Response.Charset = "utf-8";

    Response.AppendHeader("Content-Disposition", "attachment;filename=RMA" + sdate + "-" + edate + ".xls");

    Response.ContentEncoding = System.Text.Encoding.GetEncoding("utf-8");

    //设置输出流为简体中文 

    Response.ContentType = "application/ms-excel";

    //设置输出文件类型为excel文件。 

    this.EnableViewState = false;

    Response.Write(sb.ToString());

    Response.End();

下载Excel

原文：http://www.cnblogs.com/peterdys/p/3556103.html