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是否有可能在验证期间将旧值与新值进行比较。
假设您在某个对象上有一个状态,该状态设置为 A 并更改为 B。仅当实体满足某些情况时才应允许这样做。
是的,您可以通过深入研究 entity.Details.Properties.[propname].OriginalValue 来访问原始值