I just got into the same problem and it looks like EntityFramework although installed from NuGet Package Manager was not correctly installed in the project. I managed to fix it by running the following command on Package Manager Console: PM> Install-Package EntityFramework
I think the differences are: Code first Very popular because hardcore programmers don’t like any kind of designers and defining mapping in EDMX xml is too complex. Full control over the code (no autogenerated code which is hard to modify). General expectation is that you do not bother with DB. DB is just a storage … Read more
For those using Entity Framework 6 and up, if you want to view the output SQL in Visual Studio (like I did) you have to use the new logging/interception functionality. Adding the following line will spit out the generated SQL (along with additional execution-related details) in the Visual Studio output panel: using (MyDatabaseEntities context = … Read more