摘要:
一、构造3个对象的集合 List<VAV_AREA> arealist = new List<VAV_AREA>(); List<VAV_CORP> corplist = new List<VAV_CORP>(); List<VAV_CITY> citylist = new List<VAV_CITY>();二、得到集合数据三、linq处理2个list to linq left join var v = from area in arealist join corp in corplist.DefaultIfEmpty() 阅读全文
posted @ 2012-07-24 12:10
石 磊
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