public IHttpActionResult PutUser(string id, UserViewModel userViewModel) { if (!ModelState.IsValid) { return(BadRequest(ModelState)); } if (id != userViewModel.Id) { return(BadRequest()); } User user = ViewModelMapper.ToModelUsers(userViewModel); db.Entry(user).State = EntityState.Modified; try { db.SaveChanges(); } catch (DbUpdateConcurrencyException) { if (!UserExists(id)) { return(NotFound()); } else { throw; } } return(StatusCode(HttpStatusCode.NoContent)); }