Entity Framework without primary key

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Entity Framework without primary key

Asked 10 years, 2 months ago

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I have the following problem:

Every time I update the Diagram model of my project, it loses the reference of which field is the primary key, even I try the PK in the table in my Database. Does anyone have any idea what might be causing this ?

inserir a descrição da imagem aqui

You are using EDMX?

– Leonel Sanches da Silva

2014/09/18 at 18:41
That’s right, man

– Otávio Medeiros

2014/09/18 at 18:56
You can take a picture of your diagram showing some of the entities that are losing the primary key?

– Leonel Sanches da Silva

2014/09/18 at 18:57
I put the images... If you notice in my diagram have the User code as key, but in my codebehind is not as key, there every time I have to put it as key

– Otávio Medeiros

2014/09/18 at 19:06
I know little of what the EDMX does alone, but my guess is the nomenclature that is out of his standard. The correct would be UsuarioId, and not UsuárioCodigo. My suggestion, in fact, would be to abandon the EDMX and use the text-only Models, less prone to errors.

– Leonel Sanches da Silva

2014/09/18 at 19:08

1 answer

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by Victor Moreno • 99 points · Answer 1 · 2014-09-18T19:18:40+00:00

I’ve set up some projects in this scenario but I’ve never had any problems in this regard. But when I model banks, I always put PK as the identity column as well. What version of Entity are you using? see a similar bug in this link:

http://dotnetwindow.blogspot.com.br/2012/06/using-decimal-as-primary-key-in-entity.html