Infrastructure.OrderRepository.CreateOrder C# (CSharp) Method

        public int CreateOrder(List<OrderDetail> OrderDetails, string CustomerId, decimal Freight, int ShipVia, string ShipName, string ShipAddress, string ShipCity,
            string ShipRegion, string ShipPostalCode, string ShipCountry)
        {
            var order = new Order()
                            {
                                CustomerId = CustomerId,
                                Freight = Freight,
                                OrderDate = DateTime.Today,
                                RequiredDate = DateTime.Today.AddDays(7.0),
                                ShipAddress = ShipAddress,
                                ShipCity = ShipCity,
                                ShipCountry = ShipCountry,
                                ShipPostalCode = ShipPostalCode,
                                ShipRegion = ShipRegion,
                                ShipName = ShipName,
                                ShipVia = ShipVia,
                                OrderDetails = OrderDetails
                            };
            order = _context.Orders.Add(order);
            return order.OrderId;
        }
        public void CreateOrderPayment(int OrderId, Decimal AmountPaid, string CreditCardNumber, DateTime ExpirationDate, string ApprovalCode)