How to integrate paypalflow pro in my asp.net(C#) site.(For credit card detail )

Please reply ASAP

Thanks in advance 

Here is a link to the documentation from paypal:

https://www.paypal.com/en_US/pdf/PayflowPro_Guide.pdf

 check out this site too..http://www.pdncommunity.com/pdn/

 btw- if you're ever working with recurring billing let me know. my team is building a .net server engine for handling payment declines. pretty cool  and effective for recovering failed recurring transactions (which happens  A LOT..like 10%-15% of subscription base).