Visual Basic® 2010 Unleashed

LINQ Examples

To understand why LINQ is revolutionary, the best way is beginning with some code examples. In the next chapters you get a huge quantity of code snippets, but this chapter offers basic queries to provide a high-level comprehension. Imagine you have a Person class exposing the FirstName, LastName, and Age properties. Then, imagine you have a collection of Person objects, of type List(Of Person). Last, imagine you want to extract from the collection all Person instances whose LastName property begins with the D letter. This scenario is accomplished via the following code snippet that uses a LINQ query:

This form of code is known ...