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


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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