public ActionResult Purchase()//prob current user.
        {
            int userID = OnlineUsers.CurrentUser.Id;

            TempData["Total"] = DB.CalculerMontantPanier(userID);

            User user = DB.Users.Find(userID);

            ViewBag.Solde = user.Montant;

            List <PanierView> panier = DB.FetchPanier(OnlineUsers.CurrentUser.Id);
            List <int>        quant  = new List <int>();

            foreach (PanierView p in panier)
            {
                quant.Add(p.QuantiteAchat);
            }

            ViewBag.Quantites = quant;
            return(View(GetPanierItems()));
        }