Exam Ref 70-483: Programming in C#

Objective 4.3: Query and manipulate data and objects by using LINQ

In .NET 3.5, a new feature was added to C#: LINQ. LINQ enables you to work with data in an extremely powerful way. It consists of a set of standard, easily learned patterns that enable you to query data. The beautiful thing is that LINQ can be extended to work against different types of data. This enables you to write powerful queries that can be easily understood and maintained.

This objective covers how to:

• Use the standard LINQ operators.

• Use LINQ in the most optimal way.

• Use LINQ to XML.

Language features that make LINQ possible

To support LINQ, a few language features have been added to C#. These features are useful on their own, but combined together to form LINQ, they shine. Some ...