//导出
        protected void btnExcelExport_Click(object sender, EventArgs e)
        {
            string strExcelFile = "SIS经济指标表";

            try
            {
                System.Data.DataTable dt = ECTagDal.GetTagListForExcel("");

                if (dt == null)
                {
                    return;
                }

                ExportToSpreadsheet(dt, strExcelFile);
            }
            catch (Exception ee)
            {
                MessageBox.popupClientMessage(this.Page, "导出信息错误!" + ee.Message, "call();");

                return;
            }

            return;
        }