private void button7_Click(object sender, EventArgs e)
{
LMaintenance f3 = new LMaintenance(); // Instantiate a Form3 object.
f3.Show(); // Show Form3 and
}
private void button_WOC1_Click(object sender, EventArgs e)
{
LMaintenance f3 = new LMaintenance();
f3.Show();
}