MetaDataMember.IsPersistent 属性

定义

在派生类中重写时,获取一个值,该值指示此成员是否映射到列(或约束)。When overridden in a derived class, gets a value that indicates whether this member is mapped to a column (or constraint).

public:
 abstract property bool IsPersistent { bool get(); };
public abstract bool IsPersistent { get; }
member this.IsPersistent : bool
Public MustOverride ReadOnly Property IsPersistent As Boolean

属性值

Boolean

如果此成员映射到列(或约束),则为 true;否则为 falsetrue if this member is mapped to a column (or constraint); otherwise, false.

注解

一个类可以具有持久成员和非持久成员的组合。A class may have a combination of persistent and non-persistent members. 持久性成员将映射,而非持久成员不会映射。Persistent members are mapped while non-persistent members are not mapped. 映射的类必须具有至少一个持久性成员。A mapped class must have at least one persistent member.

适用于