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

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Grouping at runtime without Lambda

In this recipe, we will be composing dynamically grouped sets of data into a queryable set that is functional and generic enough that it can be used against most domains.

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 to and updating data.

Open the Improving Transaction Scope solution in the included source code examples.

How to do it...

Carry out the following steps in order to accomplish this recipe.

  1. We will start by adding a new unit test named QueryTests to the test project. We will make a test that groups some in memory data by property name and returns ...

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