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var Sql = factorySql.Create<Users, InformationCategories>();//简单查询，返回实体类列表。var sdfsf123 = Sql.ExecuteList<Users>((a, b) => Sub.Top(8).Select(a.UserId, a.UserName).From(a) );//分页查询，返回表DataTable dtUser = Sql.ExecuteDataTable((a, b) => Sub.PageSize(12).PageIndex(2).Select(a.UserId.As("ID号"), a.UserName.As("名字")).From(a).OrderBy(a.CreateDate.Desc()));//多表查询var ListUser3 = Sql.ExecuteList<Users>((a, b) => Sub.Top(12).Select().From(a).InnerJoin(b).On(a.UserId == b.CategoryId).Where(a.UserId == u1.UserId));//子查询var ListUser8= Sql.ExecuteList<Users>((a, b) => Sub.Top(12).Select().From(a).Where(a.UserId.In( Sub.Select(b.CategoryId).From(b).Where(b.CategoryName.Like("Anna")))));//居然还可以 同时执行同个语句。 var sdfsf1113 = Sql.ExecuteList<Users>((a, b) => Sub.Insert(a).Values("213", "111", 11, "2012-02-02"). Next(). Select("213", "111", 11, "2012-02-02").From(a).Where(a.UserId == 123));//数据库需要的都有，还有union,还有事务。大大缩短了我的开发时间。下面是插入，更新，删除。查询速度非常快。目前只支持sql server,听说oracle也快支持了哦。//插入Sql.ExecuteNonQuery((a) => Sub.Insert(a).Fields(a.UserName, a.RoleId, a.LoginPassword, a.CreateDate).Values("Jane", 11, "213", DateTime.Now));//更新 var sdfsf6 = Sql.ExecuteNonQuery((a) => Sub.Update(a).Set(a.UserName == "1").From(a).Where(a.UserId == irod));//删除var sdfsf2 = Sql.ExecuteNonQuery((a, b) => Sub.Delete(a).From(a) .Where(a.UserId == 1)); |
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原文地址：http://www.cnblogs.com/xihuafeiyu/p/4250486.html
