C# 3 LINQ - Cornell University

C# 3 LINQ

Hussam Abu-Libdeh

CS 2026, Spring 2009

Review

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C# 3 language features

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Implicitly typed variables

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Automatic properties

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Initializers

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Anonymous types

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Lambda expressions

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Extension methods

Today's Agenda

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LINQ

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LINQ operators

LINQ

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LINQ: Language INtegrated Query

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Allows native data querying in .NET

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LINQ defines a set of query operators

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Can be used to query, project, and filter

data

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Data can be in arrays, enumerables, XML,

and databases

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Querying handled by the LINQ engine

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Results returned as a collection of inmemory objects that can be iterated on

Quick Example

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To appreciate the awesomeness of LINQ

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LinqCars.cs

as best put by Barney Stinson

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