private void deleteStudentToolStripMenuItem1_Click(object sender, EventArgs e)
{
DeleteStudent ds = new DeleteStudent();
ds.MdiParent = this;
ds.Show();
}
private void butDelete_Click(object sender, EventArgs e)
{
DeleteStudent deletestd = new DeleteStudent();
deletestd.Show();
}
private void button8_Click(object sender, EventArgs e)
{
DeleteStudent ds = new DeleteStudent();
ds.Show();
}