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