private void btn_refund_Click(object sender, EventArgs e)
{
check_conn();
RefunForm refunForm = new RefunForm(this);
refunForm.ShowDialog();
}
public ConfirmRefunForm(Form callingForm, Form callMainForm)
{
InitializeComponent();
refunForm = callingForm as RefunForm;
refunForm.Enabled = false;
mainForm = callMainForm as MenuForm;
}