public IActionResult TrainerEdit(int?id)
 {
     using (var db = new Context())
     {
         var model = new ModelForTrainerView();
         db.Club.Load();
         db.Trainer.Load();
         model.selectTrainer = db.Trainer.FirstOrDefault(x => x.id == id);
         model.allClub       = db.Club.ToList();
         return(View("TrainerEditView", model));
     }
 }
 public IActionResult TrainerEditPost()
 {
     using (var db = new Context())
     {
         int     id      = int.Parse(Request.Form["selectTrainer.id"]);
         Trainer trainer = db.Trainer.FirstOrDefault(x => x.id == id);
         trainer.name       = Request.Form["selectTrainer.name"].ToString();
         trainer.surname    = Request.Form["selectTrainer.surname"].ToString();
         trainer.patronymic = Request.Form["selectTrainer.patronymic"].ToString();
         trainer.phone      = Request.Form["selectTrainer.phone"].ToString();
         trainer.dateBirth  = Convert.ToDateTime(Request.Form["selectTrainer.dateBirth"]);
         trainer.job        = Request.Form["selectTrainer.job"].ToString();
         //trainer.photo = Request.Form["selectTrainer.photo"].ToString();
         db.SaveChanges();
         var model = new ModelForTrainerView();
         db.Club.Load();
         db.Trainer.Load();
         model.selectTrainer = db.Trainer.FirstOrDefault(x => x.id == id);
         model.allClub       = db.Club.ToList();
         return(View("TrainerView", model));
     }
 }