private void btnCurrentStudent_Click(object sender, EventArgs e)
        {
            this.Hide();
            QuizForm cStudent = new QuizForm();

            cStudent.Show();
        }
        private void btnTakeQuiz_Click(object sender, EventArgs e)
        {
            if (comboStudent.Text == "")
            {
                MessageBox.Show("Please Select a student!", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            else
            {
                this.Hide();
                QuizForm newQuiz = new QuizForm();
                newQuiz.Show();

                //Student name = new Student(comboStudent.Text);
            }
        }