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Should I use Entity Framework objects at my view level?

I want to create a multi-level (3 layers) application. EF is the preferred ORM.

Should I use objects created by EF directly at my presentation level, or should I create new custom objects and map objects? If so, should I create interfaces on top of user preferences?

Should I put the .edmx file that generates EF in the data layer?

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2 answers

Personally, I created ViewModels for my view level. You want your EF models to be distracted as best as possible.

ViewModels, POCO/DTO .

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