ASP.NET to Query Active Directory

I have been reviewing the folowing page:

http://www.wwwcoder.com/main/Default...4&parentid=177

I have the code setup for the most part and I tink it would work if I knew how to format the LDAP:// address.

Setting DC=com, does what? is there a site that explains this in more detail?

Check out this page:

http://computerperformance.co.uk/Log..._directory.htm