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After Update of EFDesigner2022: Many:Many not possible anymore - "DependentsMustHaveIdentities" #88

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MyKeySoftMK opened this issue Jan 2, 2024 · 3 comments
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@MyKeySoftMK
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I will create a M:M Join - but when i set the Multiplicity on both sides to "*" then i see the following error:

Fehler beim Aufrufen der Validierungsmethode "DependentsMustHaveIdentities" , weil auf einen NULL-Verweis zugegriffen wurde.

My both Entities have Guid-Properties as PK and the Property is set to "Is Identity".

I have do it prior some weeks ago - and it works. The Tabels are create and i can work with them. But today they didn´t work. In the meantime i have update your Designer to v4.2.6.3

@Zattor
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Zattor commented Jan 15, 2024

I've git the same issues with m:m relations but with bigint/long as primary keys. In english this error is being thrown:

Invoke validation method 'DependentsMustHaveIdentities' failed due to a null reference being accessed.

@MyKeySoftMK did you have a workaround?

@MyKeySoftMK
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@MyKeySoftMK did you have a workaround?

Yes - in the meanwhile i using the 4.2.5.1 of the Extension. That works fine for me and my szenarios.

@msawczyn
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Could you please post a small model (maybe, 2 classes with a many-to-many relationship) that shows the problem?

Thanks.

@msawczyn msawczyn added the bug Something isn't working label Jan 16, 2024
@msawczyn msawczyn added this to the 4.2.8 milestone Jan 16, 2024
@github-project-automation github-project-automation bot moved this to Bug Reports in EFDesigner2022 Aug 27, 2024
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