AdventureWorks.WebServices.Controllers.OrderController.CreateOrder C# (CSharp) Method

        public HttpResponseMessage CreateOrder(Order order)
        {
            if (order == null)
            {
                return Request.CreateErrorResponse(HttpStatusCode.BadRequest, Resources.InvalidOrder);
            }

            if (ModelState.IsValid)
            {
                order = _orderRepository.Create(order);
                var response = Request.CreateResponse(HttpStatusCode.Created, order.Id);
                response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = order.Id }));
                return response;
            }
            else
            {
                return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
            }
        }