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

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Handling multiple context transactions

In this recipe, we are going to be using transactions to tightly control the communication of multiple contexts to a database.

Getting ready

We will be using the 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 data and updating it.

Open the Improving Multiple Context Transactions solution in the included sourcecode examples.

How to do it...

  1. We start by adding a new unit test named TransactionTests to the test project. We make a test that connects to the database and adds an object within several transaction usages by using the following code:
    using System; using System.Collections.Generic; ...

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