什么是ASP.NET
What is ASP.NET
ASP.NET is a unified Web development model that includes the services necessary for you to build enterprise-class Web applications with a minimum of coding. ASP.NET is part of the .NET Framework, and when coding ASP.NET applications you have access to classes in the .NET Framework. You can code your applications in any language compatible with the common language runtime (CLR), including Microsoft Visual Basic, C#, JScript .NET, and J#. These languages enable you to develop ASP.NET applications that benefit from the common language runtime, type safety, inheritance, and so on.
ASP.NET includes:
A page and controls framework
The ASP.NET compiler
Security infrastructure
State-management facilities
Application configuration
Health monitoring and performance features
Debugging support
An XML Web services framework
Extensible hosting environment and application life cycle management
An extensible designer environment
本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/chimomo/archive/2009/09/04/4519542.aspx
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效果图：
前台代码：
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xh ......
在掌握服务器控件生命周期的过程中，读者要特别注意有关服务器控件状态的相关内容。在重点了解生命周期各个阶段的同时，对服务器控件的状态变化要注意以下问题：控件的生命周期何时保存控件和恢复其状态；何时与页面及其他控件之间进行交互；何时执行重要的处理逻辑；在各个阶段，控件可使用哪些信息、保持哪些数据、 ......
ASP.NET生成随机密码
在开发需要用户注册后才能使用提供的各项功能的应用程序时，在新用户提交注册信息后，较常见的做法是由程序生成随机密码，然后发送密码到用户注册时填写的电子信箱，用户再用收到的密码来激活其帐户。
实现ASP.NET生成随机密码功能是很容易的，下面的代码给出了完整的实现方法：
publicstatic ......
WebjxCom提示：这里一定要添加WEB 引用菜单步骤如下project->add web reference...，然后输入我们Web Service的路径，这里是http://localhost/WebService1/Service1.asmx，点击添加就OK了。这时你将在类视图中看到localhost命名空间了。
这里一定要添加WEB 引用菜单步骤如下project->add web reference...，然后输 ......
