Credit card validation

[Guest]

I need a credit card validator. Is there reliable code already written that
anyone knows of? I have come across a few things; i.e. the Luhn-10
algorithm, but don't know if that still applies or is obsolete and
additionally, how would I incorporate it into a vb.Net app?

Does anyone have helpful links?

 

[TJS]

google this :

asp.net credit card validation

 

[Ben Amada]

I need a credit card validator. Is there reliable code already written
that anyone knows of? I have come across a few things; i.e. the Luhn-10
algorithm, but don't know if that still applies or is obsolete and
additionally, how would I incorporate it into a vb.Net app?

Does anyone have helpful links?

Luhn formula still works. Here's a javascript implementation of Luhn:

http://www.brainjar.com/js/validation/default2.asp

You can somehow incorporate it into an ASP.NET page yourself, or you could
use a 3rd party validator that does credit card validation like this one:

http://www.peterblum.com/VAM/SpecializedValidators.aspx?ReturnUrl=Home.aspx#Specialized

Ben

 

[Guest]

Sandy,

Have a look at this article. It contains a demo code and an asp.net control
which does basic validation
http://www.codeproject.com/aspnet/creditcardvalidator.asp

HTH,

Hermit Dave
http://hdave.blogsot.com

 

[Eirik Eldorsen]

I use this validator:

http://www.codeproject.com/aspnet/creditcardvalidator.asp

 

[Peter Blum]

A CreditCardNumberValidator is one of the 25 validators in my Professional
Validation And More (http://www.peterblum.com/vam/home.aspx). Its fully
tested, supports client-side validation (on many more browsers than the
ordinary Microsoft validators), and allows customizing the list of credit
card brands.

--- Peter Blum
www.PeterBlum.com
Email: (e-mail address removed)
Creator of "Professional Validation And More" at
http://www.peterblum.com/vam/home.aspx

 

[Guest]

Thanks All!

--

 

[Steve C. Orr [MVP, MCSD]]

Here's some good links that can get you started:
http://www.componentone.com/paypal/
http://www.verisign.com/products-services/payment-processing/online-payment/index.html
http://www.paypal.com/cgi-bin/webscr?cmd=_merchant-outside