ReferenceOwnershipBuilder<TEntity,TRelatedEntity>.OnDelete 方法

定义

命名空间:

Microsoft.EntityFrameworkCore.Metadata.Builders

程序集:

Microsoft.EntityFrameworkCore.dll

包:

Microsoft.EntityFrameworkCore v2.2.6

配置删除主体或断开关系时，删除操作如何应用于关系中的依赖实体。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.ReferenceOwnershipBuilder<TEntity,TRelatedEntity> OnDelete (Microsoft.EntityFrameworkCore.DeleteBehavior deleteBehavior);

override this.OnDelete : Microsoft.EntityFrameworkCore.DeleteBehavior -> Microsoft.EntityFrameworkCore.Metadata.Builders.ReferenceOwnershipBuilder<'Entity, 'RelatedEntity (requires 'Entity : null and 'RelatedEntity : null)>

Public Overridable Function OnDelete (deleteBehavior As DeleteBehavior) As ReferenceOwnershipBuilder(Of TEntity, TRelatedEntity)

参数

deleteBehavior

DeleteBehavior

要执行的操作。

返回

ReferenceOwnershipBuilder<TEntity,TRelatedEntity>

同一个生成器实例，以便可以链接多个配置调用。