public string Confirmation()
 {
     if (Session["customer"] == null)
     {
         var message = "In order to procceed you need to log in!";
         return(message);
     }
     else
     {
         var db = new CartBLL();
         db.changeConfirmationStatus();
         var ok = "You will receive confirmation email with receipt!";
         return(ok);
     }
 }