>can you guys guide me of where i can learn more about ADO?
>
>How can i start learning about Client/servers applications?
>can you guys help me?
>thanks!

Check out the ADO web page at MS : http://www.microsoft.com/data/ado/default.htm

And also this article on ADO programming: http://www.microsoft.com/accessdev/articles/movs202.htm (it's kind of old but a good start)