public ActionResult SearchOrderIndex(OrdersSearchOrderVM model)
 {
     if(model.OrderID != null)
     {
         model.OrderAndProducts = OrderService.GetOrderAndProducts(model.OrderID);
     }
     return View(model);
 }
        public ActionResult SearchOrderIndex(OrdersSearchOrderVM model)
        {
            if(model.OrderID.HasValue == false)
            {
                model.Message = "Please enter valid id";
            }

            if(model.OrderID != null)
            {
                model.OrderAndProducts = OrderService.GetOrderAndProducts(model.OrderID);

                if(model.OrderAndProducts.Products.Count == 0)
                {
                    model.Message = "Could not find such order.";
                }
            }

            return View(model);
        }