private void orderPenjualanToolStripMenuItem1_Click(object sender, EventArgs e)
{
Form form = Application.OpenForms["FormDaftarOrderPenjualan"];
if (form == null)
{
FormDaftarOrderPenjualan frm = new FormDaftarOrderPenjualan();
frm.Owner = this;
frm.Show();
}
else
{
form.Show();
form.BringToFront();
}
}
