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为什么在 SOAP 中,linq 不导出实体引用的完整属性,在此示例中仅导出 ImagesReference 的 EntityKeyMember 而没有导出 Images 实体的其他属性

<images_likes>
<EntityKey>
    <EntitySetName>Images_Likes</EntitySetName>
    <EntityContainerName>WiredinEntities</EntityContainerName>
    <EntityKeyValues>
        <EntityKeyMember>
        <Key>LikeId</Key>
        <Value xsi:type="xsd:int">96</Value>
        </EntityKeyMember>
    </EntityKeyValues>
</EntityKey>
<LikeId>96</LikeId>
<Date>2012-07-27T09:00:35.697</Date>
<ImagesReference>
    <EntityKey>
        <EntitySetName>Images</EntitySetName>
        <EntityContainerName>WiredinEntities</EntityContainerName>
        <EntityKeyValues>
            <EntityKeyMember>
            <Key>ImageId</Key>
            <Value xsi:type="xsd:int">26</Value>
            </EntityKeyMember>
        </EntityKeyValues>
    </EntityKey>
</ImagesReference>

public static List<Images_Likes> GetLikes(int ImageId)
{
    using (WiredinEntities context = new WiredinEntities("name=WiredinEntities"))
    {
        var items = from item in context.Images_Likes.Include("Images")
                    where item.Images.ImageId == ImageId
                    select item;


        return items.ToList();
    }
}
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