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Communicating with the Database

The topics in this section describe some basic aspects of how you establish and maintain communication with the database.

How to: Connect to a Database

Describes how to use the DataContext class to connect to a database.

How to: Directly Execute SQL Commands

Describes how you can use ExecuteCommand to send SQL-language commands.

How to: Reuse a Connection Between an ADO.NET Command and a DataContext

Provides examples of how to use an existing ADO.NET connection in a LINQ to SQL application.

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