ObjectContext vs. dbContext in Entity Framework 4.1

entity-framework

Accepted Answer

From a point of view of clean creation of POCO entities, there is no difference between the two generators. Both generators produce the same entities, however, ADO.NET POCO Entity Generator is based on ObjectContext's API, whereas ADO.NET DbContext Generator is based on DbContext's API.

DbContext's API has a few very nice new features (Local, Query on navigation property, etc.) and API is somehow simplified but at the same time it looks like some features used in ObjectContext API are missing in DbContext API (or at least it has not been explored enough yet).

EF 4.1 RC is go-live release. It means that you can build a real application with it because API will not change in RTW (only bugs will be fixed). Also RTW should be in the next month so I think you will not be ready with your application before the final version is shipped.

ObjectContext API or DbContext API? ObjectContext API is much better covered by documentation and blog posts. You can find plenty of examples about it. Also its limitations are already well known. DbContext API is new release. A very promising release, mostly because of the code-first approach. There is still a very limited number of blog posts, no book and the API is not proven enough. So it depends if you are ready to fight with new API? If not, then ObjectContext API is still a good choice because you don't need the code-first approach.

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4/27/2015 6:49:59 AM


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