Fri, 27 Feb 2009 13:41:00 GMTkbh-1983http://blog.csdn.net/kbh1983/http://blog.csdn.net/kbh1983/archive/2009/02/27/3942406.aspxhttp://blog.csdn.net/kbh1983/comments/3942406.aspx0http://blog.csdn.net/kbh1983/comments/commentRss/3942406.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=3942406<br />Net中抽象类和接口的区别<br />一、抽象类<br />    (1) 抽象方法只作声明，而不包含实现，可以看成是没有实现体的虚方法<br />    (2) 抽象类不能被实例化<br />    (3) 抽象类可以但不是必须有抽象属性和抽象方法，但是一旦有了抽象方法，就一定要把这个类声明为抽象类<br />    (4) 具体派生类必须覆盖基类的抽象方法<br />    (5) 抽象派生类可以覆盖基类的抽象方法，也可以不覆盖。如果不覆盖，则其具体派生类必须覆盖它们。如：<br /><br /><br />using System;<br />public abstract class A //抽象类A <br />{ <br />    private int num=0;<br />    public int Num //抽象类包含属性 <br />    { <br />        get <br />        { <br />            return num; <br />        } <br />        set <img src ="http://blog.csdn.net/kbh1983/aggbug/3942406.aspx" width = "1" height = "1" />Fri, 27 Feb 2009 21:41:00 +0800kbh-1983http://blog.csdn.net/kbh1983/archive/2009/02/27/3942406.aspx#Feedbackhttp://blog.csdn.net/kbh1983/archive/2009/02/27/3942406.aspxkbh-1983http://blog.csdn.net/kbh1983/archive/2008/01/06/2027369.aspxhttp://blog.csdn.net/kbh1983/comments/2027369.aspx0http://blog.csdn.net/kbh1983/comments/commentRss/2027369.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2027369如何做网站策划<img src ="http://blog.csdn.net/kbh1983/aggbug/2027369.aspx" width = "1" height = "1" />Sun, 06 Jan 2008 19:41:00 +0800kbh-1983http://blog.csdn.net/kbh1983/archive/2008/01/06/2027369.aspx#Feedbackhttp://blog.csdn.net/kbh1983/archive/2008/01/06/2027369.aspxkbh-1983http://blog.csdn.net/kbh1983/archive/2008/01/06/2027368.aspxhttp://blog.csdn.net/kbh1983/comments/2027368.aspx0http://blog.csdn.net/kbh1983/comments/commentRss/2027368.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2027368网站规划书 ----如何写网站策划书(即网站建设方案)<img src ="http://blog.csdn.net/kbh1983/aggbug/2027368.aspx" width = "1" height = "1" />Sun, 06 Jan 2008 19:40:00 +0800kbh-1983http://blog.csdn.net/kbh1983/archive/2008/01/06/2027368.aspx#Feedbackhttp://blog.csdn.net/kbh1983/archive/2008/01/06/2027368.aspxkbh-1983http://blog.csdn.net/kbh1983/archive/2007/12/25/1966820.aspxhttp://blog.csdn.net/kbh1983/comments/1966820.aspx0http://blog.csdn.net/kbh1983/comments/commentRss/1966820.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1966820asp.net学习网站<img src ="http://blog.csdn.net/kbh1983/aggbug/1966820.aspx" width = "1" height = "1" />Wed, 26 Dec 2007 01:08:00 +0800kbh-1983http://blog.csdn.net/kbh1983/archive/2007/12/25/1966820.aspx#Feedbackhttp://blog.csdn.net/kbh1983/archive/2007/12/25/1966820.aspxkbh-1983http://blog.csdn.net/kbh1983/archive/2007/12/24/1964447.aspxhttp://blog.csdn.net/kbh1983/comments/1964447.aspx0http://blog.csdn.net/kbh1983/comments/commentRss/1964447.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1964447VS2005 常用的快捷键<img src ="http://blog.csdn.net/kbh1983/aggbug/1964447.aspx" width = "1" height = "1" />Mon, 24 Dec 2007 18:32:00 +0800kbh-1983http://blog.csdn.net/kbh1983/archive/2007/12/24/1964447.aspx#Feedbackhttp://blog.csdn.net/kbh1983/archive/2007/12/24/1964447.aspxkbh-1983http://blog.csdn.net/kbh1983/archive/2007/12/14/1936566.aspxhttp://blog.csdn.net/kbh1983/comments/1936566.aspx1http://blog.csdn.net/kbh1983/comments/commentRss/1936566.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1936566SilverLight基础知识介绍<img src ="http://blog.csdn.net/kbh1983/aggbug/1936566.aspx" width = "1" height = "1" />Sat, 15 Dec 2007 01:17:00 +0800kbh-1983http://blog.csdn.net/kbh1983/archive/2007/12/14/1936566.aspx#Feedbackhttp://blog.csdn.net/kbh1983/archive/2007/12/14/1936566.aspxkbh-1983http://blog.csdn.net/kbh1983/archive/2007/12/14/1936546.aspxhttp://blog.csdn.net/kbh1983/comments/1936546.aspx0http://blog.csdn.net/kbh1983/comments/commentRss/1936546.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1936546什么是RIA，RIA目前有哪些新的技术<img src ="http://blog.csdn.net/kbh1983/aggbug/1936546.aspx" width = "1" height = "1" />Sat, 15 Dec 2007 01:15:00 +0800kbh-1983http://blog.csdn.net/kbh1983/archive/2007/12/14/1936546.aspx#Feedbackhttp://blog.csdn.net/kbh1983/archive/2007/12/14/1936546.aspxkbh-1983http://blog.csdn.net/kbh1983/archive/2007/12/14/1936476.aspxhttp://blog.csdn.net/kbh1983/comments/1936476.aspx0http://blog.csdn.net/kbh1983/comments/commentRss/1936476.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1936476Silverlight 入门<img src ="http://blog.csdn.net/kbh1983/aggbug/1936476.aspx" width = "1" height = "1" />Sat, 15 Dec 2007 01:11:00 +0800kbh-1983http://blog.csdn.net/kbh1983/archive/2007/12/14/1936476.aspx#Feedbackhttp://blog.csdn.net/kbh1983/archive/2007/12/14/1936476.aspxkbh-1983http://blog.csdn.net/kbh1983/archive/2007/12/07/1922523.aspxhttp://blog.csdn.net/kbh1983/comments/1922523.aspx0http://blog.csdn.net/kbh1983/comments/commentRss/1922523.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1922523HTML元素 - 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