credit-card

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 7 years ago . A common feature I see in a lot of small business ecommerce websites is that when I click on the CHECKOUT button, I am taken away from the website and redirected to the url of a 3rd party payment gateway like paypal, authorize.net etc... After I make my payment on this 3rd party site, I am redirected back to the

问题 I'm planning to build a web sites that accepts charges in the USA only. Is there any credit card acquiring software that is easy for a C# ASP.NET web site to implement? Can anyone recommend some? Are there any rules for saving\encrypting credit cards data in the DB? Any help would be great... 回答1: As pointed out by Albireo, you DO NOT want to store the credit cards in your database. I'd bet Visa/MC/etc probably would not even allow you to, according to your merchant agreement. First, do you

问题 Can the Card Name (i.e. the cardholder name, not the card type) contain non-ASCII characters? Example: "JOSÉ GONZÁLEZ". 回答1: The character set that is used does not allow for diacritics. In brief, it only allows uppercase ASCII characters. The restriction ultimately comes from the historical way in which banking cards encode data onto the magnetic stripe (as defined in ISO 7811). The data is encoded in a 7 bits per character format known as ITU-T.50 The cardholder name is encoded with up to

问题 Can the Card Name (i.e. the cardholder name, not the card type) contain non-ASCII characters? Example: "JOSÉ GONZÁLEZ". 回答1: The character set that is used does not allow for diacritics. In brief, it only allows uppercase ASCII characters. The restriction ultimately comes from the historical way in which banking cards encode data onto the magnetic stripe (as defined in ISO 7811). The data is encoded in a 7 bits per character format known as ITU-T.50 The cardholder name is encoded with up to

问题 Can the Card Name (i.e. the cardholder name, not the card type) contain non-ASCII characters? Example: "JOSÉ GONZÁLEZ". 回答1: The character set that is used does not allow for diacritics. In brief, it only allows uppercase ASCII characters. The restriction ultimately comes from the historical way in which banking cards encode data onto the magnetic stripe (as defined in ISO 7811). The data is encoded in a 7 bits per character format known as ITU-T.50 The cardholder name is encoded with up to

问题 I am using a test card and this is the output after I swiped the card and it is ok But when I'm trying to get the data of the swiped through prompting it to messagebox this will be the output How can I fix this? I am expecting the output same as the first image, and it will also be the message of the messagebox Here is my code: private void CreditCardProcessor_Load(object sender, EventArgs e) { KeyPreview = true; KeyPress += CreditCardProcessor_KeyPress; } private bool inputToLabel = true;

问题 I am using a test card and this is the output after I swiped the card and it is ok But when I'm trying to get the data of the swiped through prompting it to messagebox this will be the output How can I fix this? I am expecting the output same as the first image, and it will also be the message of the messagebox Here is my code: private void CreditCardProcessor_Load(object sender, EventArgs e) { KeyPreview = true; KeyPress += CreditCardProcessor_KeyPress; } private bool inputToLabel = true;

问题 I am working in PHP on a Linux server with MySQL. I have a requirement (that I have attempted to talk them out of) to collect credit card information from users so that our company can use the card numbers to hold hotel rooms for a conference. We will not be charging the cards ourselves at all, but instead just sending them to the hotel. I then need to be able to download a CSV file and each time someone signs up an email to go to the admin with all the information. I tried to explain that

问题 What is the right way to verify a credit card with a regex? If which one to use there are tons online. If not how to verify? 回答1: How can I use credit card numbers containing spaces? covers everything you should need. 回答2: See this link Finding or Verifying Credit Card Numbers with Regulars Expressions Visa: ^4[0-9]{12}(?:[0-9]{3})?$ All Visa card numbers start with a 4. New cards have 16 digits. Old cards have 13. MasterCard: ^5[1-5][0-9]{14}$ All MasterCard numbers start with the numbers 51

问题 Hi i'm using paypal integration wizard to do digital goods checkout (PHP). https://www.paypal-labs.com/integrationwizard/ It should support both paypal payment and non-paypal payment(buy as a guest->credit card). in the wizard, it set payment option directly to paypal : $PaymentOption = "PayPal"; is there any way to enable paypal direct checkout as a guest? or do i need to add credit card api myself? Thanks 回答1: It depends on the receiving account. In order to have Guest Checkout, the