public void AddTrainer(Trainer trainer) { using (TrainerDb db = new TrainerDb()) { db.Trainers.Add(trainer); db.SaveChanges(); } }
public void DeleteTrainer(int id) { using (TrainerDb db = new TrainerDb()) { Trainer trainer = db.Trainers.Find(id); db.Trainers.Remove(trainer); db.SaveChanges(); } }
public void UpdateTrainer(Trainer trainer) { using (TrainerDb db = new TrainerDb()) { db.Trainers.Attach(trainer); db.Entry(trainer).State = EntityState.Modified; db.SaveChanges(); } }
public Trainer GetTrainer(int id) { Trainer result; using (TrainerDb db = new TrainerDb()) { result = db.Trainers.Find(id); } return(result); }
public ICollection <Trainer> GetTrainers() { ICollection <Trainer> result; using (TrainerDb db = new TrainerDb()) { result = db.Trainers.ToList(); } return(result); }