想要达到的效果:把数据库中的一列数据绑定到combobox控件中. 数据库表:T_Task//任务表 列名:Task_Name//名称 主键:Task_ID combobox控件名称:cbName 解决方法: 第一种:(从当前表中获取数据) string strsql="select  Task_ID,Task_Name from T_Task"; cbName.DisplayMember = "Task_Name";   cbName.ValueMember = …

IIS上在主站点下搭建虚拟目录后,子站点中的<system.web>节点与主站点的<system.web>冲突解决方法: 在主站点的<system.web>上一级添加父节点: <location path="." allowOverride="false" inheritInChildApplications="false">     <system.web>         <!…

1.       问题 C++如何实现不能被继承的类,即终结类.Java中有final关键字修饰,C#中有sealed关键字修饰,而C++目前还没有类似的关键字来修饰类实现终结类,需编程人员手动实现.   2.       解决方法 基本思路:由于任何派生类的对象在创建的时候,都必需在派生类的构造函数中调用父类的构造函数.所以,只要类的构造函数在子类中无法被访问,那么就阻止了该类被继承,实现终结类. 如果将一个类的构造函数声明为私有(private),可以阻止该类进一步派生,但是该类也无法直接实…

Dungeon Master Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 20995 Accepted: 8150 Description You are trapped in a 3D dungeon and need to find the quickest way out! The dungeon is composed of unit cubes which may or may not be filled wit…

Mad scientist Mike has constructed a rooted tree, which consists of n vertices. Each vertex is a reservoir which can be either empty or filled with water. The vertices of the tree are numbered from 1 to n with the root at vertex 1. For each vertex, t…

Beautiful People Time Limit: 10000/5000MS (Java/Others) Memory Limit: 128000/64000KB (Java/Others)     Special Judge SubmitStatus Problem Description The most prestigious sports club in one city has exactly N members. Each of its members is strong an…

转:http://zzproc.iteye.com/blog/1328591 在阅读本文之前,根据自己的经验和理解,大家可以先思考并选择一下Java函数的参数传递方式:  A. 是按值传递的?  B. 按引用传递的?  C. 部分按值部分按引用?  此处暂不宣布正确答案,我们通过一个简单的例子让大家自己找答案:  1. 先定义一个类型Value public static class Value { private String value = "value"; public Stri…

FatMouse' Trade Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 42953    Accepted Submission(s): 14336 Problem Description FatMouse prepared M pounds of cat food, ready to trade with the cats g…

搬家啦,上博客园关注我哦http://www.cnblogs.com/AsuraRoute 版权声明:本文为博主原创文章,未经博主允许不得转载.…

首先介绍一下 Case ..When...Then..End  的用法: CASEJiXiaoFind_RowID  WHEN '1' THENJiXiao_Money1  WHEN '2' THEN JiXiao_Money2  WHEN '3' THEN JiXiao_Money3  WHEN '4' THEN JiXiao_Money4  ELSE JiXiao_Money5  END 举例说明: 上图是一个视图的截图,我想在 表B 中添加一个字段 JiXiao_Money(绩效金额):…