VCardComVCardCom is an in-process dll server component that enable existing applications developed using Visual Basic, Visual C++, Borland C++, Delphi, etc, and ASP pages served by Microsoft Internet Information Server or Microsoft Transaction Server, etc, to do PAN credit card validation. Validation is provided for all the major credit cards such as American Express, MasterCard, Visa, Diners Club, Carte Blanche, JCB, Enroute, and Discover.