void uasb_FormClosed(object sender, FormClosedEventArgs e)
{
uasb = null;
}
private void changeSalaryAmountToolStripMenuItem_Click(object sender, EventArgs e)
{
if (uasb == null)
{
uasb = new UpdateASalaryBonus();
uasb.MdiParent = this;
uasb.FormClosed +=uasb_FormClosed;
uasb.Show();
}
else
{
uasb.Activate();
}
}