linq 聚合函数使用
摘要：
dbtestEntities db = new dbtestEntities(); return from t in db.Fcount group t by t.fid into m select new Model.Number { id = m.Key, Count = m.Count() };sql:select t.typeid,t.typename ,isnull(n.numbers,0) as numbers from typenews t left join(select typeid,COUNT(*) as numbers from NewsContent group by 阅读全文
posted @ 2012-04-20 13:07 陈思涵 阅读(667) 评论(0) 推荐(0) 编辑
