在 ASP.NET 网页中检测浏览器类型

 <script   type="text/javascript">
//<!-- 
if (window.navigator.userAgent.indexOf("MSIE")>=1){
//如果浏览器为IE
setActiveStyleSheet("browser.css");
}else{
if (window.navigator.userAgent.indexOf("Firefox")>=1){
//如果浏览器为Firefox
setActiveStyleSheet("default2.css");
}else{
//如果浏览器为其他
setActiveStyleSheet("newsky.css");}
}
function setActiveStyleSheet(title){
document.write("<LINK href='"+title+"' type='text/css' rel='stylesheet'>");
}
//-->
  </script>

 <script   type="text/javascript">
//<!--
if (window.navigator.userAgent.indexOf("MSIE")>=1){
//如果浏览器为IE
if (window.navigator.userAgent.indexOf("MSIE 6.0")>=1)
 {
  document.write("您的浏览器是60");
 }
 if (window.navigator.userAgent.indexOf("MSIE 7.0")>=1)
 {
  document.write("您的浏览器是70");
 }
//setActiveStyleSheet("browser.css");
}else{
if (window.navigator.userAgent.indexOf("Firefox")>=1){
//如果浏览器为Firefox
setActiveStyleSheet("default2.css");
}else{
//如果浏览器为其他
setActiveStyleSheet("newsky.css");}
}
function setActiveStyleSheet(title){
document.write("<LINK href='"+title+"' type='text/css' rel='stylesheet'>");
}
//-->
  </script>

 protected void Button1_Click(object sender, EventArgs e)
        {
            System.Web.HttpBrowserCapabilities browser = Request.Browser;
            string s = "Browser Capabilities<br />"
            + "Type = "                    + browser.Type + "<br />"
            + "Name = "                    + browser.Browser + "<br />"
            + "Version = "                 + browser.Version + "<br />"
            + "Major Version = "           + browser.MajorVersion + "<br />"
            + "Minor Version = "           + browser.MinorVersion + "<br />"
            + "Platform = "                + browser.Platform + "<br />"
            + "Is Beta = "                 + browser.Beta + "<br />"
            + "Is Crawler = "              + browser.Crawler + "<br />"
            + "Is AOL = "                  + browser.AOL + "<br />"
            + "Is Win16 = "                + browser.Win16 + "<br />"
            + "Is Win32 = "                + browser.Win32 + "<br />"
            + "Supports Frames = "         + browser.Frames + "<br />"
            + "Supports Tables = "         + browser.Tables + "<br />"
            + "Supports Cookies = "        + browser.Cookies + "<br />"
            + "Supports VBScript = "       + browser.VBScript + "<br />"
            + "Supports JavaScript = "     +
                browser.EcmaScriptVersion.ToString() + "<br />"
            + "Supports Java Applets = "   + browser.JavaApplets + "<br />"
            + "Supports ActiveX Controls = " + browser.ActiveXControls
            + "<br />";
             Response.Write(s);

        }