public ActionResult Create(ManageTrainer manageTrainer) { if (!ModelState.IsValid) { return(View("~/Views/ErrorValidations/Null.cshtml")); } var checkTrainerInTopic = _context.ManageTrainers.Any(c => c.TrainerId == manageTrainer.TrainerId && c.TopicId == manageTrainer.TopicId); if (checkTrainerInTopic == true) { return(View("~/Views/ErrorValidations/Exist.cshtml")); } var newTrainer = new ManageTrainer { TrainerId = manageTrainer.TrainerId, TopicId = manageTrainer.TopicId }; _context.ManageTrainers.Add(newTrainer); _context.SaveChanges(); return(RedirectToAction("Index")); }
public ActionResult Create(ManageTrainer manageTrainer) { var newTrainer = new ManageTrainer { TrainerId = manageTrainer.TrainerId, TopicId = manageTrainer.TopicId }; _context.ManageTrainers.Add(newTrainer); _context.SaveChanges(); return(RedirectToAction("Index")); }