Use EF4 DbContext with Domain Service

I开发者_开发问答 built my data access layer with the new code first stuff from Entity Framework 4, with a class derived from DbContext and various DbSet members.

Now I'm expanding to Silverlight and want to use WCF RIA services to access the DB. Do I have to start over with ADO.NET Entity Data Models, or is there some way to use what I've got?

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No, you shouldn't have to start over. You can create a domain service and not inherit from anything. Look at examples of how people use WCF RIA services with Nhibernate.

Here is some stuff about using RIA with ctp4. http://social.msdn.microsoft.com/Forums/en/adonetefx/thread/57793bec-abc6-4520-ac1d-a63e40239aed
http://social.msdn.microsoft.com/Forums/en-US/adonetefx/thread/0e741f7f-700f-4efd-b10c-98f050f76c85

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I'm a little late to the party but for people still looking for this, like I was earlier, take a look at this NuGet package.

http://nuget.org/packages/RIAServices.EntityFramework

It provides a DbDomainService<> base class similar to the LinqToEntitiesDomainService<>.