All i have several forms that have a contact area on them that i want to use the UserName() function to query ldap and grab that users info then populate the form. Any ideas or examples would be great thanks.
Also, if you prefer to write your own web service, there is this example from MSDN on an AD Web service that may help you.
Sorry -- I had assumed if one drilled down enough on that link there would be some actual code! Here is a link with some code samples for AD in C#....