public static ObservableCollection <OrdreachatViewModel> listeOrdreachat()
        {
            ObservableCollection <OrdreachatDAO>       lDAO = OrdreachatDAO.listeOrdreachat();
            ObservableCollection <OrdreachatViewModel> l    = new ObservableCollection <OrdreachatViewModel>();

            foreach (OrdreachatDAO element in lDAO)
            {
                OrdreachatViewModel p = new OrdreachatViewModel(element.idProduitDAO, element.idAcheteurDAO, element.idEnchereDAO, element.montantMaxDAO, element.adresseDepotDAO);
                l.Add(p);
            }

            return(l);
        }