public IActionResult Detail(int orderId, int customerId) { ViewBag.Message = "View Customer Details"; var order = orderRepository.GetOrderById(orderId); var orderDetail = orderProductRepository.GetOrderProductDetails(orderId); var orderAmount = orderRepository.GetOrderTotal(orderId); var customer = customerRepository.GetCustomerById(order.CustomerID); if (order == null) { return(NotFound()); } return(View(new OrderViewModel { Order = order, OrderProducts = orderDetail, TotalOrderAmount = orderAmount, Customer = customer })); }