。Net 导出excel Demo

protected void Button1_Click(object sender, EventArgs e)
        {
            Response.Clear();
            Response.Buffer = true;
            Response.AddHeader("content-disposition", "attachment; filename=YCJQ_Excel_" + DateTime.Now.ToString("yyyyMMddhhmmss") + ".xls");
            Response.ContentType = "application/vnd.ms-excel";
            //Response.ContentType = "application/vnd.ms-word";
            Response.ContentEncoding = System.Text.Encoding.UTF8;
            Response.Charset = "";
            this.EnableViewState = false;
            StringWriter oStringWriter = new StringWriter();
            HtmlTextWriter oHtmlTextWriter = new HtmlTextWriter(oStringWriter);

            DataGrid dg = new DataGrid();
            dg.DataSource = bll.GetList(""); //  数据源！！！！！！
            dg.DataBind();

            dg.RenderControl(oHtmlTextWriter);
            Response.Write(oStringWriter.ToString());
            Response.End();

            ////导出整个页面到Excel/Word
            Response.Clear();
            Response.Buffer = true;
            Response.AppendHeader("Content-Disposition", "attachment;filename=" + DateTime.Now.ToString("yyyyMMdd") + ".doc");
            Response.ContentEncoding = System.Text.Encoding.UTF7;
            //Response.ContentType = "application/vnd.ms-excel";
            ////Response.ContentType = "application/vnd.ms-word";
            //Response.ContentType = "application/word";
            this.EnableViewState = false;
        }