ASP.NET---最简单的导出Excel

#region 最简单的导出Excel
        publicvoid CreateExcel(DataTable _table, string FileName)
        {
            //FileName = Server.UrlEncode(FileName);
            HttpResponse response = Page.Response;
            response.Clear();
            response.Buffer =true;
            response.Charset ="GB2312";
            response.HeaderEncoding = System.Text.Encoding.GetEncoding("GB2312");
            response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
            response.AddHeader("Content-Disposition", "attachment;filename="+ FileName);
            response.AddHeader("Content-Type", "application/octet-stream;charset=GB2312");
            response.ContentType ="application/ms-excel";
            string ls_item ="";

            ls_item ="编号\t险种\t保单号\t手续费\t手续费率\t佣金\t备注\t分组序号\n";
            response.Write(ls_item);
            ls_item ="";
            int i =1;
            foreach (DataRow row in _table.Rows)
            {
                ls_item = i.ToString() +"\t"+ row[3] +"\t"+ row[4] +"\t"+ row[7] +"\t"+ row[8] +"\t"+ row[9] +"\t"+ row[10] +"\t"+ i.ToString() +"\n";
                response.Write(ls_item);
                i++;
            }
            //写缓冲区中的数据到HTTP头文件中 
            response.Flush();
            response.Clear();
            response.End();
        }
        #endregion