Sat, 16 May 2009 15:45:00 GMThttp://blog.csdn.net/lem12/http://blog.csdn.net/lem12/archive/2009/05/16/4192696.aspxhttp://blog.csdn.net/lem12/comments/4192696.aspx0http://blog.csdn.net/lem12/comments/commentRss/4192696.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=4192696关于asp.net中dropdownlist控件选中后在次回传页面后还原到默认这类问题分两种1.在窗体加载中没有判断回传我们只要在page_load中增加if(!ispostback){绑定dropdownlist}2.绑定了dropdownlist的text和value，我将相同的值绑定到了value(页面加载后可以查看下html源码看下value是否有相同的数据)，我们每次选择dropdownlist后一旦回传后就会还会到还原一默认值.dropdownlist中的value相当一个主键.<img src ="http://blog.csdn.net/lem12/aggbug/4192696.aspx" width = "1" height = "1" /><img src="http://www1.feedsky.com/t1/223676931/lem12/csdn.net/s.gif?r=http://blog.csdn.net/lem12/archive/2009/05/16/4192696.aspx" border="0" height="0" width="0" style="position:absolute" /><p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/lem12/223676931/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/lem12/223676931/art01.gif" onerror="this.style.display='none'" /></a></p>Sat, 16 May 2009 23:45:00 +0800刘铭http://blog.csdn.net/lem12/archive/2009/05/16/4192696.aspx#Feedbackhttp://blog.csdn.net/lem12/archive/2009/05/16/4192696.aspx刘铭http://blog.csdn.net/lem12/archive/2009/05/16/4192696.aspxhttp://blog.csdn.net/lem12/feed.aspxcsdn.net/lem12/~1175605/223676931/1175587http://blog.csdn.net/lem12/archive/2009/04/24/4107018.aspxhttp://blog.csdn.net/lem12/comments/4107018.aspx0http://blog.csdn.net/lem12/comments/commentRss/4107018.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=4107018将字符串中指定字符替换成其他不同字符<img src ="http://blog.csdn.net/lem12/aggbug/4107018.aspx" width = "1" height = "1" /><p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/lem12/223676932/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/lem12/223676932/art01.gif" onerror="this.style.display='none'" /></a></p>Fri, 24 Apr 2009 22:38:00 +0800刘铭http://blog.csdn.net/lem12/archive/2009/04/24/4107018.aspx#Feedbackhttp://blog.csdn.net/lem12/archive/2009/04/24/4107018.aspx刘铭http://blog.csdn.net/lem12/archive/2009/04/24/4107018.aspxhttp://blog.csdn.net/lem12/feed.aspxcsdn.net/lem12/~1175605/223676932/1175587http://blog.csdn.net/lem12/archive/2008/08/30/2852751.aspxhttp://blog.csdn.net/lem12/comments/2852751.aspx0http://blog.csdn.net/lem12/comments/commentRss/2852751.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2852751<br />在.netframework2.0引入了System.IO.Ports命名,简化了我们串口的编程代码.<br />首先创建一个winform窗体，在窗体上建两个文本框和一个按钮，两个文本框分别用来发送和接收数据，按钮用来触发发送事件，然在工具箱中一个serialPort控件，或者在代码中进行实例化。下面为后如代码:  private delegate void&lt<img src ="http://blog.csdn.net/lem12/aggbug/2852751.aspx" width = "1" height = "1" /><p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/lem12/223676933/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/lem12/223676933/art01.gif" onerror="this.style.display='none'" /></a></p>Sat, 30 Aug 2008 23:36:00 +0800刘铭http://blog.csdn.net/lem12/archive/2008/08/30/2852751.aspx#Feedbackhttp://blog.csdn.net/lem12/archive/2008/08/30/2852751.aspx刘铭http://blog.csdn.net/lem12/archive/2008/08/30/2852751.aspxhttp://blog.csdn.net/lem12/feed.aspxcsdn.net/lem12/~1175605/223676933/1175587http://blog.csdn.net/lem12/archive/2008/06/02/2503733.aspxhttp://blog.csdn.net/lem12/comments/2503733.aspx0http://blog.csdn.net/lem12/comments/commentRss/2503733.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2503733Js取出Gridview中模板列控件ID<img src ="http://blog.csdn.net/lem12/aggbug/2503733.aspx" width = "1" height = "1" /><p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/lem12/223676934/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/lem12/223676934/art01.gif" onerror="this.style.display='none'" /></a></p>Mon, 02 Jun 2008 23:55:00 +0800刘铭http://blog.csdn.net/lem12/archive/2008/06/02/2503733.aspx#Feedbackhttp://blog.csdn.net/lem12/archive/2008/06/02/2503733.aspx刘铭http://blog.csdn.net/lem12/archive/2008/06/02/2503733.aspxhttp://blog.csdn.net/lem12/feed.aspxcsdn.net/lem12/~1175605/223676934/1175587http://blog.csdn.net/lem12/archive/2008/04/08/2260648.aspxhttp://blog.csdn.net/lem12/comments/2260648.aspx0http://blog.csdn.net/lem12/comments/commentRss/2260648.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2260648js取出表格的行号列号和值<img src ="http://blog.csdn.net/lem12/aggbug/2260648.aspx" width = "1" height = "1" /><p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/lem12/223676935/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/lem12/223676935/art01.gif" onerror="this.style.display='none'" /></a></p>Tue, 08 Apr 2008 23:00:00 +0800刘铭http://blog.csdn.net/lem12/archive/2008/04/08/2260648.aspx#Feedbackhttp://blog.csdn.net/lem12/archive/2008/04/08/2260648.aspx刘铭http://blog.csdn.net/lem12/archive/2008/04/08/2260648.aspxhttp://blog.csdn.net/lem12/feed.aspxcsdn.net/lem12/~1175605/223676935/1175587http://blog.csdn.net/lem12/archive/2008/04/03/2247563.aspxhttp://blog.csdn.net/lem12/comments/2247563.aspx0http://blog.csdn.net/lem12/comments/commentRss/2247563.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2247563asp.net编程实现IIS新建站点<img src ="http://blog.csdn.net/lem12/aggbug/2247563.aspx" width = "1" height = "1" /><p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/lem12/223676936/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/lem12/223676936/art01.gif" onerror="this.style.display='none'" /></a></p>Thu, 03 Apr 2008 23:57:00 +0800刘铭http://blog.csdn.net/lem12/archive/2008/04/03/2247563.aspx#Feedbackhttp://blog.csdn.net/lem12/archive/2008/04/03/2247563.aspx刘铭http://blog.csdn.net/lem12/archive/2008/04/03/2247563.aspxhttp://blog.csdn.net/lem12/feed.aspxcsdn.net/lem12/~1175605/223676936/1175587http://blog.csdn.net/lem12/archive/2008/04/01/2236665.aspxhttp://blog.csdn.net/lem12/comments/2236665.aspx0http://blog.csdn.net/lem12/comments/commentRss/2236665.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2236665C#冒泡法 斐波那契<img src ="http://blog.csdn.net/lem12/aggbug/2236665.aspx" width = "1" height = "1" /><p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/lem12/223676937/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/lem12/223676937/art01.gif" onerror="this.style.display='none'" /></a></p>Tue, 01 Apr 2008 21:46:00 +0800刘铭http://blog.csdn.net/lem12/archive/2008/04/01/2236665.aspx#Feedbackhttp://blog.csdn.net/lem12/archive/2008/04/01/2236665.aspx刘铭http://blog.csdn.net/lem12/archive/2008/04/01/2236665.aspxhttp://blog.csdn.net/lem12/feed.aspxcsdn.net/lem12/~1175605/223676937/1175587http://blog.csdn.net/lem12/archive/2008/03/26/2219806.aspxhttp://blog.csdn.net/lem12/comments/2219806.aspx0http://blog.csdn.net/lem12/comments/commentRss/2219806.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2219806JavaScript<img src ="http://blog.csdn.net/lem12/aggbug/2219806.aspx" width = "1" height = "1" /><p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/lem12/223676938/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/lem12/223676938/art01.gif" onerror="this.style.display='none'" /></a></p>Wed, 26 Mar 2008 21:10:00 +0800刘铭http://blog.csdn.net/lem12/archive/2008/03/26/2219806.aspx#Feedbackhttp://blog.csdn.net/lem12/archive/2008/03/26/2219806.aspx刘铭http://blog.csdn.net/lem12/archive/2008/03/26/2219806.aspxhttp://blog.csdn.net/lem12/feed.aspxcsdn.net/lem12/~1175605/223676938/1175587http://blog.csdn.net/lem12/archive/2008/03/13/2175812.aspxhttp://blog.csdn.net/lem12/comments/2175812.aspx0http://blog.csdn.net/lem12/comments/commentRss/2175812.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2175812关于预编绎网站的问题[已预编译此应用程序的错误]<img src ="http://blog.csdn.net/lem12/aggbug/2175812.aspx" width = "1" height = "1" /><p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/lem12/223676939/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/lem12/223676939/art01.gif" onerror="this.style.display='none'" /></a></p>Thu, 13 Mar 2008 17:11:00 +0800刘铭http://blog.csdn.net/lem12/archive/2008/03/13/2175812.aspx#Feedbackhttp://blog.csdn.net/lem12/archive/2008/03/13/2175812.aspx刘铭http://blog.csdn.net/lem12/archive/2008/03/13/2175812.aspxhttp://blog.csdn.net/lem12/feed.aspxcsdn.net/lem12/~1175605/223676939/1175587http://blog.csdn.net/lem12/archive/2008/03/07/2156556.aspxhttp://blog.csdn.net/lem12/comments/2156556.aspx0http://blog.csdn.net/lem12/comments/commentRss/2156556.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2156556Asp.net上传图片产生预览效果<img src ="http://blog.csdn.net/lem12/aggbug/2156556.aspx" width = "1" height = "1" /><p class="fswww1"><a href="http://www1.feedsky.com/r/l/csdn.net/lem12/223676940/art01.html" target="_blank"><img border="0" ismap="ismap" src="http://www1.feedsky.com/r/i/csdn.net/lem12/223676940/art01.gif" onerror="this.style.display='none'" /></a></p>Fri, 07 Mar 2008 22:13:00 +0800刘铭http://blog.csdn.net/lem12/archive/2008/03/07/2156556.aspx#Feedbackhttp://blog.csdn.net/lem12/archive/2008/03/07/2156556.aspx刘铭http://blog.csdn.net/lem12/archive/2008/03/07/2156556.aspxhttp://blog.csdn.net/lem12/feed.aspxcsdn.net/lem12/~1175605/223676940/1175587