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What is the DataContext class and how is it related to LINQ?

Correct Answer: After you add a LINQ to SQL Classes item to a project and open the O/R Designer, the empty design surface represents an empty DataContext class ready to be configured The DataContext class is a LINQ to SQL class that acts as a conduit between a SQL Server database and the LINQ to SQL entity classes mapped to that database This class contains the connection string information and the methods for connecting to a database and manipulating the data in the database It is configured with connection information provided by the first item that is dragged onto the design surface

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