protected void btnCancel_Click(object sender, EventArgs e) { IList <string> orderList = GetSelectOrder(); if (orderList.Count == 0) { ShowErrorMessage("MasterData.Order.BatchCheckIn.PleaseSelectOrder"); } else { try { foreach (string orderNo in orderList) { TheOrderMgr.CancelOrder(orderNo, this.CurrentUser.Code); } ShowSuccessMessage("MasterData.Order.BatchCancel.Successfully"); InitPageParameter(this.FlowCode); } catch (BusinessErrorException ex) { this.ShowErrorMessage(ex); } } }