public ActionResult Modifier(String nuComm)
        {
            if (Session["id"] != null)
            {
                Commande             comm         = null;
                ModifCommande        modComm      = null;
                IEnumerable <String> listClients  = null;
                IEnumerable <String> listVendeurs = null;

                try
                {
                    comm         = CommandeDao.GetCommande(nuComm);
                    listClients  = ClientDao.GetNuClients();
                    listVendeurs = VendeurDao.GetNuVendeurs();
                    modComm      = new ModifCommande(comm, listClients, listVendeurs);
                    return(View(modComm));
                }
                catch (MonException e)
                {
                    return(HttpNotFound());
                }
            }
            else
            {
                return(View("~/Views/Home/Connexion.cshtml"));
            }
        }
        public ActionResult Ajout()
        {
            if (Session["id"] != null)
            {
                ModifCommande        modComm      = null;
                IEnumerable <String> listClients  = null;
                IEnumerable <String> listVendeurs = null;
                String max = "";

                try
                {
                    listClients  = ClientDao.GetNuClients();
                    listVendeurs = VendeurDao.GetNuVendeurs();
                    max          = CommandeDao.GetMaxNuComm();
                    modComm      = new ModifCommande(max, listClients, listVendeurs);
                    return(View(modComm));
                }
                catch (MonException e)
                {
                    return(HttpNotFound());
                }
            }
            else
            {
                return(View("~/Views/Home/Connexion.cshtml"));
            }
        }