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Pro LINQ: Language Integrated Query in C# 2008 by Joseph C. Rattz Jr.

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Required Namespaces

The examples in this chapter reference classes in the System.Data, System.Data.SqlClient, and System.Linq namespaces. If using directives do not already exist in your code, you should add them like this:

using System.Data;
using System.Data.SqlClient;
using System.Linq;

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