/* UPDATE existing Exam */
        private void ctrl_btn_updateExam_Click(object sender, EventArgs e)
        {
            //Set the add/update form to update by seeing the bool parameter as false
            //and pass in the exam to update
            AddUpdateExamForm updateForm = new AddUpdateExamForm(false, exam);

            /* Opens ADD/UPDATE form */
            var result = updateForm.ShowDialog();

            //Refresh the exam selection to the updated exam with the newly set duration
            if (result == DialogResult.OK)
            {
                RefreshExams(updateForm.Exam.ExamID);
            }
        }
        /* ADD a new exam */
        private void ctrl_btn_addExam_Click(object sender, EventArgs e)
        {
            AddUpdateExamForm addForm = new AddUpdateExamForm(true, new Exam {
                Administrator = adminID
            });

            /* Opens ADD/UPDATE form */
            var result = addForm.ShowDialog();

            //When adding is successful, refresh the exam list to the
            //newly created exam and enable delete and update buttons
            if (result == DialogResult.OK)
            {
                RefreshExams(addForm.Exam.ExamID);
                ctrl_btn_delete.Enabled     = true;
                ctrl_btn_updateExam.Enabled = true;
            }
        }