oracle functions called from c# code

Question

Hi, guys, as stated in the subject, I got some pl/sql - functions at an oracle database. that I should start. I do, of course, know, how to call a stored procedure or commit commands directly, but I really got no idea, how to use a function. I can neither find information on this subject at MSDN nor elsewhere. I also tried several drivers, but neither Microsoft Oracle Driver nor ODBC Driver made me happy. Any idea would be very appriciated from my side, as I´m quite stuck, and the work is urgent, as every in this job. Thank you, Gilthanas