internal void UpdateStare(StatusComanda statusNou, InformatiiComanda deModificat, Cont user)
{
RestaurantEntities1 context = new RestaurantEntities1();
context.ModificaStare(deModificat.Numarcomanda, statusNou.id_status);
MessageBox.Show("Stare comanda modificata!");
MainViewModel.Instance.ActiveScreen = new ComenziViewModel(user);
}