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The pages you create in this tutorial work with the entity set of the data model that you created in the Getting Started tutorial series.
You will begin this tutorial by making two changes to the database, both of which require corresponding changes to the data model that you created in the Getting Started with the Entity Framework and Web Forms tutorials.
In the Foreign Key Relationships box click Add, then click the ellipsis for Tables and Columns Specification.You will also create unit tests for the validation logic.In the third tutorial in this series you will add sorting and filtering functionality to the application.In one of those tutorials, you made changes in the designer manually to synchronize the data model with the database after a database change.In this tutorial, you will use the designer's Update Model From Database tool to update the data model automatically.
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In Visual Studio, open the Contoso University web application you created in the Getting Started with the Entity Framework and Web Forms tutorial series, and then open the table, but no foreign key relationship is defined in the database.