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Entity Framework 4.1: Expert's Cookbook by Tim Rayburn, Devlin Liles

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Creating many-to-many maps

This recipe allows us to map a set of objects to another set of objects without constraining either side.

Getting ready

We will be using NuGet Package Manager to install the Entity Framework 4.1 assemblies.

The package installer can be found at http://nuget.org/.

We will also be using a database for connecting to the data and updating it.

Open the Improving Many-To-Many References solution in the included source code examples.

How to do it...

Let us get connected to the database using the following steps:

  1. We start by adding a new unit test named MappingTest to the Test project. We make a test that connects to the database and retrieves an object. This will test the configuration and ensure that the model matches the database ...

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