The System.Linq.Enumerable class plays an important role in every LINQ query you create, making it possible to use querying semantics with objects that wouldn't otherwise support querying methods.

In the July 2008 issue of MSDN Magazine, Ken Getz took you on a quick tour through half of the methods in the Enumerable class.

In the September 2008 installment of the Advanced Basics column, Ken completes the tour, looking at methods that handle converting, positioning, calculating, and performing set operations on sequences of objects.

Don't forget to browse the sample code in our online code library.