Dynamic QueryExpression按照创建日期排序

 QueryExpression DeliveryInquiryQE = new QueryExpression();
 DeliveryInquiryQE.EntityName = "new_sap_delivery_inquiry";
 DeliveryInquiryQE.ColumnSet = new ColumnSet(true);
 DeliveryInquiryQE.Criteria.AddCondition("new_vin", ConditionOperator.Equal, vin);
//排序
 DeliveryInquiryQE.Orders.Add(new OrderExpression("createdon", OrderType.Descending));