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並前往https://itqna.net/questions/112254/only-allow-5-attempts-entityframework-key-duplication-6-save

Only allow 5 attempts on the EntityFrameWork key duplication ...

Aplicacao Using trans As DbContextTransaction = ctx.Database.BeginTransaction(IsolationLevel.RepeatableRead) Try Dim t As tbArtigos = ctx.tbArtigos.

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