core ef Database operation expected to affect 1 row(s) but actually affected 0 row(s). Data may have been modified or deleted since entities were loaded

本文轉載自查看原文 2020-04-10 17:00 690 asp.net Core

asp.net 更新數據時報錯：Database operation expected to affect 1 row(s) but actually affected 0 row(s). Data may have been modified or deleted since entities were loaded

原因：Check your object, does it pass Primary Key Null. This Exception is Generally due this reason only.

對象的主鍵為空，導致不能更新，檢查你要更新的對象，查看主鍵是否為空，或0

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