//打印优惠券
private void btnCoupon_Click(object sender, EventArgs e)
{
InputNumber inputNumber = new InputNumber("输入账单号", false);
if (inputNumber.ShowDialog() != DialogResult.OK)
{
return;
}
var act_id = inputNumber.number;
var act = db.Account.FirstOrDefault(x => x.id == act_id);
if (act == null)
{
return;
}
//if (BathClass.ToBool(act.couponPrinted))
//{
// InformationDlg dlg = new InformationDlg("该账单号已经打印");
// dlg.ShowDialog();
// return;
//}
var act_money = BathClass.get_account_money(act);
if (db.Coupon.Any(x => x.minAmount != null && act_money >= x.minAmount))
{
var coupons = db.Coupon.Where(x => x.minAmount != null && act_money >= x.minAmount);
var coupon = coupons.OrderByDescending(x => x.money).FirstOrDefault();
PrintCoupon.Print_Coupon((byte[])coupon.img.ToArray());
//act.couponPrinted = true;
db.SubmitChanges();
}
else
{
InformationDlg dlg = new InformationDlg("未达到最低赠送消费金额");
dlg.ShowDialog();
}
}
private void show_msg(string msg)
{
InformationDlg dlg = new InformationDlg(msg);
dlg.ShowDialog();
}