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Assembly

Meaning in Life

System.Core.dll

Defines the types that represent the core LINQ API. This

is the one assembly you must have access to.

System.Data.Linq.dll

Provides functionality for using LINQ with relational

databases (LINQ to SQL).

System.Data.DataSetExtensions.dll

Defines a handful of types to integrate ADO.NET types

into the LINQ programming paradigm (LINQ to DataSet).

System.Xml.Linq.dll

Provides functionality for using LINQ with XML

document data (LINQ to XML).

When you wish to do any sort of LINQ programming, you will at the very least need to import

the System.Linq namespace (defined within System.Core.dll), which is typically accounted for by

new Visual Studio 2008 project files; for example, here is the starting code for a new .NET 3.5 Con-

sole Application project:

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using System;

using System.Collections.Generic;