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Gordon Beeming

Father • Husband • Triathlete • SSW Solution Architect

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Tagged Entity Framework Core

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Jul 07, 2025·5 min read

EF Core's Hidden Identity Crisis: The Owned Entity Cloning Problem

Your integration tests all pass, but your live app throws a cryptic EF Core error about modifying a key that doesn't even exist. Let's dive into the fascinating reason why and how to fix it.

Entity Framework CoreC#.NET+1 more
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Gordon Beeming

Solution Architect at SSW in Brisbane, and a Microsoft MVP every year since 2014. Azure, DevOps, and helping teams write better C#. Husband and father, usually training for the next swim, bike or run.

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