private void button13_Click(object sender, EventArgs e) { MessageBox.Show(a.AddAssign(SubjectName.Text, comboTeacher.Text, comboClass.Text), "Message"); }
private void button13_Click(object sender, EventArgs e) { MessageBox.Show(a.AddAssign(SubjectName.Text, comboTeacher.Text, comboClass.Text), "Message"); }