private void login_Click(object sender, RoutedEventArgs e)
        {
            LoginConnection lgConn = new LoginConnection();

            /* Temporarily disabling the following two lines to make our life easier during testing: */
            //username=userNameTB.Text;
            //password=passwordTB.Password;
            username = "******";
            password = "******";
            /* end of modification */

            loginCheck = lgConn.compare(username, password);
            if (loginCheck)
            {
                MainMenu menu = new MainMenu();
                menu.Activate();
                this.Close();
                menu.Show();
            }
            else
            {
                MessageBox.Show("Username or password wrong!");
            }
        }