public SupplierViewModel()
 {
     this.supplierRepository = new SupplierRepository();
     this.supplierView = SupplierFactory.createNew();
     this.userRepository = new UserRepository();
     selectedUser = UserFactory.CreateNewUser();
 }
 public LoginViewModel()
 {
     _userRepository = new UserRepository();
     _eventBroker = Session.EventBroker();
     _eventBroker.Register(this);
 }
 public UserViewModel()
 {
     _userRepository = new UserRepository();
 }