//quiz view
        protected void btnNextUQ_Click(object sender, EventArgs e)
        {
            QuizManager qm = (QuizManager)Session["QuizManager"];

            if (rbl1.SelectedIndex == 3 && rbl2.SelectedIndex == 2 && rbl3.SelectedIndex == 3)
            {
                qm.saveTriesCountToDB();
                MultiView1.SetActiveView(general_data_view);
            }
            else
            {
                qm.incrementTriesCount();
                Alert.Show("wrong answer, please try again");
            }
        }
        protected void btnNext_Click(object sender, EventArgs e)
        {
            User        user    = (User)Session["User"];
            UserManager manager = new UserManager(user);

            Session["QuizManager"] = new QuizManager(user);
            if (user.user_id.Equals("friend"))
            {
                manager.addUserToDB();
                MultiView1.SetActiveView(Intro2);
            }
            else
            {
                if (!manager.CheckIfUserExists())
                {
                    manager.addUserToDB();
                    MultiView1.SetActiveView(Intro2);
                }
                else
                {
                    Alert.Show("You already participated in this game. Please return the HIT");
                }
            }
        }