public void SetIsPaidByCreditCardToSaleProduct(bool isPaidByCreditCard, SaleProduct saleProduct) { saleProduct.IsPaidByCreditCard = isPaidByCreditCard; saleProduct.IsPrivate = (isPaidByCreditCard == true) ? false : saleProduct.IsPrivate; saleProduct.IsForGuest = false; dataAccess.EditSaleProduct(saleToday.Id, saleProduct); OnPropertyChanged("Sales"); OnPropertyChanged("SaleToday"); }