asp 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
转载于:https://wwwblogs/liulida/p/9896488.html
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Database operation expected to affect 1 row(s) but actually affected 0 row(s). D
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