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When I use TryGetObjectByKey on my ObjectContext, it returns an error. An item with a duplicate value already exists.
When I look at my objectContext, I see that the ObjectSets are empty. What am I doing wrong? When I enumerate the ObjectSet by hand, by using ToArray on it, or by using the debugger, it does work.
LazyLoadingEnabled is set to true.
I reuse 2 tables from another EDMX, but they are in different namespaces and they are not the objectSets I try to approach.
it’s not a duplicate. Its different.Sort of…
I finally found the solution. The Entity framework doesnt load the metadata correctly for POCO.
what you have to do on your OnContextCreated is this:
databaseContext.MetadataWorkspace.LoadFromAssembly(typeof(Entity).Assembly);
This will correctly load the metadata and it works…. I need to read into it… but this seems to do the trick.
http://social.msdn.microsoft.com/Forums/en/adodotnetdataservices/thread/601491ab-9c46-4fdf-88a7-c7392e5dbcdf