public bool AddOrderItem(OrderItem item)
 {
     OrderItemHandler myHandler = new OrderItemHandler(); return myHandler.InsertOrderItem(item);
 }
 public List<OrderItem> GetOrderItemsList(int orderNo)
 {
     OrderItemHandler myHandler = new OrderItemHandler(); return myHandler.GetOrderItemList(orderNo);
 }
 public bool UpdateOrderItem(OrderItem item)
 {
     OrderItemHandler myHandler = new OrderItemHandler(); return myHandler.UpdateOrderItem(item);
 }
 public bool DeleteOrderItem(int orderItemID)
 {
     OrderItemHandler myHandler = new OrderItemHandler(); return myHandler.DeleteOrderItem(orderItemID);
 }