若梦 丹巴旺姆 专辑：若梦 语种：国语 流派：Pop 唱片公司：独立发行 上传时间：2019-01-28
I\'m writing Validation attribute that sits on the class but inspects the properties of the class. I want it to set a validation message on each of the properties it finds to be invalid. How do I do t
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