代码如下：
System.Web.HttpBrowserCapabilities browser = Request.Browser;
string s = "Browser Capabilities\n"
"Type = " + browser.Type ;
"Name = " + browser.Browser ;
"Version = " + browser.Version ;
"Major Version = " + browser.MajorVersion ;
"Minor Version = " + browser.MinorVersion ;
"Platform = " + browser.Platform ;
"Is Beta = " + browser.Beta ;
"Is Crawler = " + browser.Crawler ;
"Is AOL = " + browser.AOL ;
"Is Win16 = " + browser.Win16 ;
"Is Win32 = " + browser.Win32 ;
"Supports Frames = " + browser.Frames ;
"Supports Tables = " + browser.Tables ;
"Supports Cookies = " + browser.Cookies ;
"Supports VB Script = " + browser.VBScript ;
"Supports JavaScript = " + browser.JavaScript ;
"Supports Java Applets = " + browser.JavaApplets ;
"Supports ActiveX Controls = " + browser.ActiveXControls ;;
asax文件：
<%@ Control Language="c#" AutoEventWireup="false" Codebehind="counter.ascx.cs" Inherits="JiAnWeb.counter" TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>
<LINK href="css.css" rel="stylesheet">
<FONT face="宋体">
<TABLE id="table_coun ......
ASP.NET 4的Web Forms当中，最令人激赏的，则莫过于是URL Routing机制的全面支持。过去在ASP.NET 3.5 SP1当中，Web Forms或多或少就开始支持URL Routing机制，它让我们在网址的呈现以及使用上更加的有弹性。
过去我们在ASP.NET当中，习惯于底下这样的网址呈现方式：
http://myWebSite/EditProduct.aspx?Id=1
但最近几年R ......
