private void btnEnroll_Click(object sender, EventArgs e) { dt = new Tafe_DataTier(); int rowsInserted = dt.enroll(cbCourses.SelectedItem.ToString(), cbStudents.SelectedItem.ToString()); if (rowsInserted > 0) { MessageBox.Show("New Enrollment Information Saved", "Enrollment", MessageBoxButtons.OK, MessageBoxIcon.Information); } else { MessageBox.Show("New Enrollment Information NOT Saved", "Enrollment", MessageBoxButtons.OK, MessageBoxIcon.Error); } }