private void Main_emp_edit_Click(object sender, EventArgs e)
{
Addteacher ad1 = new Addteacher();
ad1.MdiParent = this;
ad1.Show();
}
private void button1_Click(object sender, EventArgs e)
{
Addteacher Add = new Addteacher();
Add.Show();
}
private void buttonX1_Click(object sender, EventArgs e)
{
Addteacher at = new Addteacher();
at.Show();
}