public void showModifyProducts()
{
if (mpr == null)
{
mpr = new ModifyProducts();
mpr.FormClosed += new FormClosedEventHandler(mpr_FormClosed);
mpr.Show();
}
else
{
mpr.Activate();
}
}
void mpr_FormClosed(object sender, FormClosedEventArgs e)
{
mpr = null;
}
