In this chapter, we introduce LDAP searches with the DirectorySearcher class. We start with an overview of searching in general and provide a tour through the properties and methods of DirectorySearcher and its supporting classes. After that, we start to dig into the mechanics of searching with an explanation of the search base, scope, and security contexts.
Next, we take a deep look at building LDAP query filters, as they are the mechanism by which we can restrict the results of our searches and find specific objects. They are essential to effective searching.
After that, we look at how to control the results returned from a search. We demonstrate the methods available for executing a search, and we show how to enumerate the results we receive.
We wrap up with a discussion on performing large searches using a technique called paging, and we talk about how to have the server sort our results.
Part I: Fundamentals
Introduction to LDAP and Active Directory
Introduction to .NET Directory Services Programming
Binding and CRUD Operations with DirectoryEntry
Searching with the DirectorySearcher
Advanced LDAP Searches
Reading and Writing LDAP Attributes
Active Directory and ADAM Schema
Security in Directory Services Programming
Introduction to the ActiveDirectory Namespace
Part II: Practical Applications
Part III: Appendixes
Appendix A. Three Approaches to COM Interop with ADSI
Appendix B. LDAP Tools for Programmers
Appendix C. Troubleshooting and Help