private void button2_Click(object sender, EventArgs e)
{
if (addGood_Form == null)
{
addGood_Form = new AddGood_Form(this);
addGood_Form.FormClosed += new FormClosedEventHandler(AddGood_Form_Closed);
addGood_Form.Show();
}
}
private void AddGood_Form_Closed(object sender, FormClosedEventArgs e)
{
addGood_Form = null;
}
