Ye' old general discussion board. Basically, for everything that isn't covered elsewhere. Come here to shoot the breeze, shoot your mouth off, or whatever suits your fancy. This forum is not for asking programming related questions.
Well, we are devopling payment system
which support all the payments like, Cybersource , Netgiro etc
so that people can u our service to do payment and now we are adding Solo
You could try to write your own gateway, but the fact you're asking how to begin probably means you'd fail therefore you need to use a payment gateway provided by your bank or a third party (worldpay, paypal, etc). Gateways I've used in the past include: epdq, streamline, protx. Pop any of them into Google and you'll have all the information you need.