﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>博客园-壮志凌云-最新评论</title><link>http://www.cnblogs.com/dkhero/CommentsRSS.aspx</link><description>年青没有什么不可以</description><language>zh-cn</language><pubDate>Sat, 03 Mar 2007 12:33:41 GMT</pubDate><lastBuildDate>Sat, 03 Mar 2007 12:33:41 GMT</lastBuildDate><generator>cnblogs</generator><item><title>re: 验证码破解</title><link>http://www.cnblogs.com/dkhero/archive/2008/04/21/663044.html#1164051</link><dc:creator>tnbao</dc:creator><author>tnbao</author><pubDate>Mon, 21 Apr 2008 07:59:00 GMT</pubDate><guid>http://www.cnblogs.com/dkhero/archive/2008/04/21/663044.html#1164051</guid><description><![CDATA[数字验证码破解有谁知道吗？<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/dkhero/" target="_blank">tnbao</a> 2008-04-21 15:59 <a href="http://www.cnblogs.com/dkhero/archive/2008/04/21/663044.html#1164051#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: ASP.NET2.0中Page的IsCallBack属性和IsPostBack属性有什么区别？</title><link>http://www.cnblogs.com/dkhero/archive/2007/01/24/379188.html#629063</link><dc:creator>郭平川</dc:creator><author>郭平川</author><pubDate>Wed, 24 Jan 2007 05:27:00 GMT</pubDate><guid>http://www.cnblogs.com/dkhero/archive/2007/01/24/379188.html#629063</guid><description><![CDATA[IsPostBack 判断页而是否第一次加载<br>CallBack 回调,异步通信<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/dkhero/" target="_blank">郭平川</a> 2007-01-24 13:27 <a href="http://www.cnblogs.com/dkhero/archive/2007/01/24/379188.html#629063#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: ASP.NET2.0中Page的IsCallBack属性和IsPostBack属性有什么区别？</title><link>http://www.cnblogs.com/dkhero/archive/2006/06/21/379188.html#432051</link><dc:creator>blueKnight</dc:creator><author>blueKnight</author><pubDate>Wed, 21 Jun 2006 12:37:00 GMT</pubDate><guid>http://www.cnblogs.com/dkhero/archive/2006/06/21/379188.html#432051</guid><description><![CDATA[为什么CallbackEventHandler在FireFox中好像不支持？<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/dkhero/" target="_blank">blueKnight</a> 2006-06-21 20:37 <a href="http://www.cnblogs.com/dkhero/archive/2006/06/21/379188.html#432051#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: ASP.NET2.0中Page的IsCallBack属性和IsPostBack属性有什么区别？</title><link>http://www.cnblogs.com/dkhero/archive/2006/04/24/379188.html#384016</link><dc:creator>James Chen</dc:creator><author>James Chen</author><pubDate>Mon, 24 Apr 2006 14:34:00 GMT</pubDate><guid>http://www.cnblogs.com/dkhero/archive/2006/04/24/379188.html#384016</guid><description><![CDATA[你说的不错。PostBack方式刷新整个页面，CallBack方式不刷新整个页面。但是CallBack不能等同于Ajax，据说两者的实现原理不同。CallBack只能传送string类型的参数，而Ajax使用的是httprequest+xml的机制。Atlas我没看过，但它是实实在在的.NET环境下的Ajax库。没看的原因一是因为苏鹏的Ajax Webcast里还没讲到它，二是没听到它是否正式release了，呵呵。<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/dkhero/" target="_blank">James Chen</a> 2006-04-24 22:34 <a href="http://www.cnblogs.com/dkhero/archive/2006/04/24/379188.html#384016#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: ASP.NET2.0中Page的IsCallBack属性和IsPostBack属性有什么区别？</title><link>http://www.cnblogs.com/dkhero/archive/2006/04/24/379188.html#383981</link><dc:creator>心只有你</dc:creator><author>心只有你</author><pubDate>Mon, 24 Apr 2006 14:06:00 GMT</pubDate><guid>http://www.cnblogs.com/dkhero/archive/2006/04/24/379188.html#383981</guid><description><![CDATA[@ James Chen<br><br>看了你的解答我清楚了很多，是不是IsPostBack为true时，页面有任何变化都需要重新生成，给人刷新的感觉。而IsCallBack为true时，感觉只是客户端脚本在运行，虽然页面有变化，但是没有刷新的感觉。不过写客户端脚本是真的是一件很繁人的事情！！！<br>你看过Atlas吗？那个框架提供了一大堆的控件来实现Ajax一样的感觉，是不是也用到了Page的IsCallBack？<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/dkhero/" target="_blank">心只有你</a> 2006-04-24 22:06 <a href="http://www.cnblogs.com/dkhero/archive/2006/04/24/379188.html#383981#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: ASP.NET2.0中Page的IsCallBack属性和IsPostBack属性有什么区别？</title><link>http://www.cnblogs.com/dkhero/archive/2006/04/24/379188.html#383706</link><dc:creator>James Chen</dc:creator><author>James Chen</author><pubDate>Mon, 24 Apr 2006 08:53:00 GMT</pubDate><guid>http://www.cnblogs.com/dkhero/archive/2006/04/24/379188.html#383706</guid><description><![CDATA[MSDN里应该写得很清楚了，你只要先了解什么是postback，什么是callback就应该明白其中的不同了。不过正式版的CallbackEventHandler接口定义好象给改了，和beta版的不同。我目前也对callback功能在网页中的集成和实现很迷惑。<br>以postback方式进行客户端和服务器端的交互的，IsPostBack就是true。<br>以callback方式进行客户端和服务器端的交互的，IsCallBack就是true。<br>默认方式是postback。callback方式要写好多javascript代码的。<br><br>postback:<br>In the default model for ASP.NET Web pages, the user interacts with a page and clicks a button or performs some other action that results in a postback. The page and its controls are re-created, the page code runs on the server, and a new version of the page is rendered to the browser. <br><br>callback:<br>In a client callback, a client script function sends a request to an ASP.NET Web page. The Web page runs a modified version of its normal life cycle — the page is initiated and its controls and other members are created, and then a specially marked method is invoked. The method performs the processing that you have coded and then returns a value to the browser that can be read by another client script function. Throughout this process, the page is live in the browser.<br><br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/dkhero/" target="_blank">James Chen</a> 2006-04-24 16:53 <a href="http://www.cnblogs.com/dkhero/archive/2006/04/24/379188.html#383706#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>
