AngularTutorial.Controllers.TodoController.PostTodo C# (CSharp) Method

        public HttpResponseMessage PostTodo(Todo todo)
        {
            if (ModelState.IsValid)
            {
                db.Todoes.Add(todo);
                db.SaveChanges();

                HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, todo);
                response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = todo.Id }));
                return response;
            }
            else
            {
                return Request.CreateResponse(HttpStatusCode.BadRequest);
            }
        }