// Phuc Check Payment Expire private void CheckActive(User user) { PaymentInfo item = PaymentDAO.GetPaymentByUsername(user.UserName); if (item != null && item.DateCreated != null) { if ((item.DateCreated).Value.AddMonths(1) < DateTime.Now || item.DateExpire < DateTime.Now) { Alert("Your Payment Info was expired. Please register again. Thank you.", NotificationType.warning); item.IsActive = false; PaymentDAO.EditPayment(item); } } }