RETURN = 3 Returns transaction amount to the card. Adds the transaction to the current open batch. SALE = 2 To make a purchase with a card or e-check/ACH with a check. This constructor has several properties but we need to values for the followings:ĪUTH =1 Verify/Authorize a transaction. PaymentRequest () Initializes a PaymentRequest object.
PaxProcess.PaymentRequest = paxRequest 3 – PaymentRequest and PaymentResponse PaxRequest.Amount = payAmount.ToString() PayAmount = Math.Round(Decimal.Parse(txtPayment.Text) * 100, 0) POSLink.PaymentRequest paxRequest = new PaymentRequest() LOGLEVEL=1 (1: Debug 0: Error) POSLink.PosLink paxProcess = new PosLink() We manage LogSetting.ini with LogManagement class: The log management parameters are stored in LogSetting.ini. MessageBox.Show(" Exception caught.", e.ToString()) save the setting into file, therefore other classes will use the setting communication POSLink.PosLink cg = new POSLink.PosLink() ĬommSetting commSetting = new CommSetting() Let’s start by CommSetting class and its constructor:Ĭommunication settings are stored in commsetting.ini.Ĭommsetting.ini has the following structure: POSLink class communicates with the Pin pad (or credit card terminal) via: Visit the PAX website and apply for an account and you will receive a copy of POSLink class. In order to use this code, you will not have PAX POSLink API. I will show methods that allow you to process a credit card, adjust the transaction amount, void a transaction and finally close a batch. I developed multiple point of sale systems for both retail and restaurant and was among the first developers to fully integrate PAX S300 pin pads into. Chip-Enabled cards require special hardware for card reading and transaction verification. It used to be a card with a magnetic stripe that you could swipe to process. BackgroundĬhip-enabled credit (and debit) cards have been issued by almost every card issuer in the United States and they have become very common.
Since October 2015 that liability has shifted to the merchants in certain cases unless they have replaced or upgraded their card acceptance and processing systems to use chip-enabled devices and applications to process payment transactions.
Prior to October of 2015, most counterfeit card fraud that occurred at business’ in-store locations, liability was with the card issuers. The microprocessor within a payment chip card provides strong security features and other capabilities not possible with traditional magnetic stripe cards. EMV (Europay, MasterCard, and Visa) is a set of standards for the use of payment chip cards (those with an embedded microprocessor).
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