protected void Session_Start(object sender, EventArgs e)
        {
            ShoppingCartModel shoppingCart = new ShoppingCartModel();

            Session["shoppingCart"] = shoppingCart.shoppingCart();
            ProductModel productList = new ProductModel();

            Session["productList"] = productList.productList();
            UserModel userList = new UserModel();

            Session["userList"]        = userList.userList();
            Session["userName"]        = "";
            Session["loggedInMessage"] = "Not logged in";
            Session["userLoggedIn"]    = false;
            Session["admin"]           = false;
            Session["totalPrice"]      = 0;
            Session["amountInCart"]    = 0;
        }