/// <summary>
        /// 是否导出多级表头
        /// </summary>
        /// <param name="gridDt"></param>
        /// <param name="isExportTemplate"></param>
        /// <returns></returns>
        private static bool ExportMulHeader(MDataTable gridDt, bool isExportTemplate)
        {
            MDataTable dt = gridDt.FindAll(isExportTemplate ? "Import=1" : "Export=1");

            return(dt.Max <int>("MergeIndexed") != dt.Min <int>("MergeIndexed"));

            #region 原来逻辑

            /*
             * bool ifHidden = false, ifImport = false, ifExport = false, ifRowspan = false, ifColspan = false, ifMergeIndexed = false;
             * for (int i = 1; i < gridDt.Rows.Count; i++)
             * {
             *  ifHidden = gridDt.Rows[i].Get<bool>("Hidden");
             *  ifImport = gridDt.Rows[i].Get<bool>("Import");
             *  ifExport = gridDt.Rows[i].Get<bool>("Export");
             *  ifRowspan = gridDt.Rows[i].Get<bool>("Rowspan");
             *  ifColspan = gridDt.Rows[i].Get<bool>("Colspan");
             *  ifMergeIndexed = gridDt.Rows[i].Get<bool>("MergeIndexed");
             *  if (isExportTemplate)//导出模版
             *  {
             *      if (ifHidden && !ifImport)
             *      {
             *          if (ifRowspan && ifColspan && ifMergeIndexed)
             *          {
             *              continue;
             *          }
             *          else
             *          {
             *              return false;
             *          }
             *      }
             *  }
             *  else//导出数据
             *  {
             *      if (ifHidden && !ifExport)
             *      {
             *          if (ifRowspan && ifColspan && ifMergeIndexed)
             *          {
             *              continue;
             *          }
             *          else
             *          {
             *              return false;
             *          }
             *      }
             *  }
             * }
             * return true;
             */
            #endregion
        }