private void cmdCommunication_Click(object sender, EventArgs e)
{
TeacherInformationInput t1 = new TeacherInformationInput();
t1.Show();
this.Hide();
}
private void teacherInfobtn_Click(object sender, EventArgs e)
{
TeacherInformationInput t = new TeacherInformationInput();
t.Show();
this.Hide();
}
