i m trying to do one small shopping cart. just to learn.i could able to do shoppin cart with add product ,removeproduct then checkout page. now my problem started when person give all the info(i mean shipping info,address,credit card info) weather i need to connect to any payment gateway like verisign ? weather it does all necessary validation.. anybody please tell me how the actual process work after completing the payment form with creditcard info.
thanks in advance