private void AjouterEmploye(object employe)
        {
            WndAjoutEmploye dlg = new WndAjoutEmploye(NouvelEmploye);
            bool?           res = dlg.ShowDialog();

            if (res.Value)
            {
                DAL.AjouterEnBDDEmploye(NouvelEmploye);
                Employes      = DAL.GetEmployesInformations();
                NouvelEmploye = new Personne();
            }
        }