protected override void Dispose(bool disposing)
 {
     if (disposing)
     {
         _contactrepository.Dispose();
         _contactrepository = null;
         _phonenumberrepository.Dispose();
         _phonenumberrepository = null;
     }
     base.Dispose(disposing);
 }
 public PhoneBookHomeController(ContactRepository repository, IPhoneNumberReposirory phonenumberrepository)
 {
     this._contactrepository     = repository;
     this._phonenumberrepository = phonenumberrepository;
 }