Message in Chinese (Simplified) (中文(简体))![](/img/flags/zh-chs.png)
EntityParameter“<var>X</var>”必须具有可根据其推断 DbType 的值,或者支持的 DbType 必须设置为 EntityParameter.DbType 属性的值。
Unlocalized message![](/img/flags/en.png)
The EntityParameter '<var>X</var>' must have a value from which the DbType can be inferred, or a supported DbType must be set as the value of the EntityParameter.DbType property.
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