Message in Chinese (Simplified) (中文(简体))
导航属性“<var>Property Name</var>”返回的条目为 null，且无法初始化。应在访问此属性之前检查 null 值。
Unlocalized message
An entry returned by the navigation property '<var>Property Name</var>' is null and cannot be initialized. You should check for a null value before accessing this property.
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