public ActionResult JoinConfirmed(int id) { using (var collectService = new CollectsService()) { int userId = GetUserId(); var collectUser = collectService.GetCollectUser(id); if (ModelState.IsValid) { collectService.JoinConfirmed(id, GetUserId()); return(RedirectToAction("Details", "Collects", new { id = id })); } } return(HttpNotFound()); }