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

本文转载自查看原文 2018-11-02 15:25 3613

asp.net 更新数据时报错：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.

对象的主键为空，导致不能更新，检查你要更新的对象，查看主键是否为空，或0

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