private void btnViewScore_Click(object sender, RoutedEventArgs e)
        {
            Global.Student = (StudentDTO)listviewUser.SelectedItems[0];
            var window = new ReviewStudentScore();

            window.Show();
        }
        private void btnViewScore_Click(object sender, RoutedEventArgs e)
        {
            var window = new ReviewStudentScore();

            window.Show();
        }