This week the data team released the CTP5 build of the new Entity Framework Code-First library. EF
Code-First enables a pretty sweet code-centric development workflow for working with data. It
enables you to:
Develop without ever having to open a designer or define an XML mapping file
Define model objects by simply writing “plain old classes” with no base classes required
Use a “convention over configuration” approach that enables database persistence without
explicitly configuring anything
Optionally override the convention-based persistence and use a fluent code API to fully
customize the persistence mapping
I’m a big fan of the EF Code-First approach, and wrote several blog posts about it this summer:
Code-First Development with Entity Framework 4 (July 16th)
EF Code-First: Custom Database Schema Mapping (July 23rd)
Using EF Code-First with an Existing Database (August 3rd)
Today’s new CTP5 release delivers several nice improvements over the CTP4 build, and will be the
last preview build of Code First before the final release of it. We will ship the final EF Code First
release in the first quarter of next year (Q1 of 2011). It works with all .NET application types
(including both ASP.NET Web Forms and ASP.NET MVC projects).
Installing EF Code First
You can install and use EF Code First CTP5 using one of two ways:
Approach 1) By
downloading and running a setup program. Once installed you can reference the
EntityFramework.dll assembly it provides within your projects.
or:
Approach 2) By using the
NuGet Package Manager within Visual Studio to download and install EF
Code First within a project. To do this, simply bring up the NuGet Package Manager Console within
Visual Studio (View->Other Windows->Package Manager Console) and type “Install-Package
EFCodeFirst”:
Typing “Install-Package EFCodeFirst” within the Package Manager Console will cause NuGet to
download the EF Code First package, and add it to your current project:
AnnouncingEntityFrameworkCode-First(CTP5release)-ScottGu'sBlog
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