GIT Framework框架ORM查询数据集合的相关内容

文章 1970-01-01 来自：开发者社区

Git.Framework 框架随手记--ORM查询数据集合一

　　本文记录Git.Framework之ORM中最为浓墨重彩的一篇,查询集合。根据自己做的项目统计这个是使用频率最高的一个。　　一. 查询集合方法简介 (1)List<T> GetList(); (2)List<T> GetList(bool isOpenTrans); (3)List<T> GetList(T entity); (4)List&...

文章 1970-01-01 来自：开发者社区

Git.Framework 框架随手记--ORM查询数据集合二

　　一. 分组查询　　　　在SQL中使用Group By 来对数据分组,在实际中分组中一般与聚合函数一并使用。在Git.Framework中提供了相应的分组方法 DataTable Group(T entity); DataTable Group(T entity, bool isOpenTrans); IEnumerable<System.Linq.IGrouping<...

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更新时间 2022-07-27 17:42:45

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