>>We have a client that would like to add credit card processing to their VFP 9.0 application. What is the best way to accomplish this?
>>
>>Thanks,
>>David
>
>Do you want some basic validation as in http://www.berezniker.com/display/VFP/Basic+Credit+Card+Validation ?

Credit card processing involves more than just validation. It utilized payment gateways and alot of procedural requirements.