public OrderDetail GetOrderDetailById(int Id)
 {
     OrderDetailDAO orderDetailDAO = new OrderDetailDAO();
     return orderDetailDAO.GetOrderDetailById(Id);
 }
 public DataTable GetOrderDetailByOrderId(int Id)
 {
     OrderDetailDAO orderDetailDAO = new OrderDetailDAO();
     return orderDetailDAO.GetOrderDetailByOrderId(Id);
 }
 public DataTable GetOrderDetailAll()
 {
     OrderDetailDAO orderDetailDAO = new OrderDetailDAO();
     return orderDetailDAO.GetOrderDetailAll();
 }