如何在嵌套LINQ中设置值选择父选择结果？

This is my LINQ:

这是我的LINQ:

            var sdEnumTypes = from et in sdXmlEnums.Elements("Enum")
                          select new SdEnum
                          {
                              Name = et.Attribute("name").Value,
                              EnumGuid = et.Attribute("guid").Value,
                              Enumerators = (from en in et.Elements("Enumerator")
                                             select new SdEnumerator
                                             {
                                                 DisplayName = en.Attribute("displayName").Value,
                                                 Name = en.Attribute("name").Value
                                                 //Enum = I want this to point to parent SdEnum
                                             }).ToList()
                          };
            var