单击列头实现排序,首先在羡慕中添加下面的帮助实现的类:具体的代码: using System; using System.Collections; using System.Windows.Forms; namespace Common { /// <summary> /// 对ListView点击列标题自动排序功能 /// </summary> public class ListViewHelper { /// <summary> /// 构造函数 /// </
在做交叉报表列头的排序时,遇到这三个问题,下面具体来说一下. 设计的数据库的表结构如图1所示: 图1 要处出来student_name_,s.grade_,s.subject_name_,这三个属性,当时我是这样写的sql语句: select s.student_name_, s.grade_, s.subject_name_, case s.subject_name_ when '语文' then 'A语文' when '数学' then 'B数学' when '英语' then
using System; using System.Data; using System.Drawing; using System.Windows.Forms; using Yanwen.Logistics.Business.Logics; using Yanwen.Logistics.Business.Models.ExpressTransport; using Yanwen.Logistics.Desktop.Extensions; namespace Yanwen.Logistics.
<!--删除同一列的重复数据 rowid 在orcle中 数据的物理地址---> delete from tbl_over_picture_alarm a where rowid not in (select min(b.rowid) from tbl_over_picture_alarm b where a.picture_url = b.picture_url )