把自身ID与下级数据ID 放到一个集合列表中
Select AreaID from Area where PrentID=@CityId union select AreaID=@CityId
把自身ID与下级数据ID 放到一个集合列表中
Select AreaID from Area where PrentID=@CityId union select AreaID=@CityId
转载于:https://www.cnblogs.com/activities/archive/2011/08/17/2142725.html