public ActionResult TrainingTypeCreate(TrainingType tt)
 {
     if (ModelState.IsValid)
     {
         using (var dbContext = new Model1())
         {
             tt.TypeId = TrainingType.GenerateId();
             dbContext.TrainingType.Add(tt);
             dbContext.SaveChanges();
         }
     }
     ModelState.Clear();
     return(RedirectToAction("TrainingTypeList", "Trainer"));
 }