Payment gate way

Question

Hi,

           I am developing University Exam Application In this i need to integarte net banking payment gate way can u please send the procedure how to intigrate net banking, debit ,credit card access coding  in asp.net 

Answer 1

[DllImport( "filename.dll",EntryPoint="functionname")] public static extern int functionname(type parameter1,type parameter2...);

Answer 2

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/csref/html/vcwlkPlatformInvokeTutorial.asp