在ASP.NET中如何判断用户IE浏览器的版本

f   (   Request.Browser.MajorVersion   ==      )
    {
    // to do
    }
    ......................................................................................................................................
    private   void   Page_Load(object   sender,   System.EventArgs   e)
    {
    HttpBrowserCapabilities bc = new HttpBrowserCapabilities();
    bc   =   Request.Browser;
    Label1.text=bc.Platform   +   "       你的浏览器:"   +   bc.Type;
    }
    ......................................................................................................................................
    HttpBrowserCapabilities   bc   =   Request.Browser;
    Response.Write("<p>浏览器属性:</p>");
    Response.Write("浏览器型号   =   "   +
    bc.Type   +   "<br/>");
    Response.Write("浏览器名称 =   "
    +   bc.Browser   +   "<br/>");
    Response.Write("浏览器版本   =   "   +
    bc.Version   +   "<br/>");
    Response.Write("主版本号   =   "   +
    bc.MajorVersion   +   "<br/>");
    Response.Write("从版本号   =   "   +
    bc.MinorVersion   +   "<br/>");
    Response.Write("操作系统   =   "   +
    bc.Platform   +   "<br/>");
    Response.Write("是否试用版   =   "   +
    bc.Beta   +   "<br/>");
    Response.Write("Is   Crawler   =   "   +
    bc.Crawler   +   "<br/>");
    Response.Write("Is   AOL   =   "   +   bc.AOL
    + "<br/>");
    Response.Write("16位机   =   "   +
    bc.Win16   +   "<br/>");
    Response.Write("32位机   =   "   +
    bc.Win32   +   "<br/>");
    Response.Write("支持Frame   =   "   +
    bc.Frames   +   "<br/>");
    Response.Write("支持Table   =   "   +
    bc.Tables   +   "<br/>");
    Response.Write("支持Cookies   =   "   +
    bc.Cookies   +   "<br/>");
    Response.Write("支持VB   Script   =   "   +
    bc.VBScript   +   "<br/>");
    Response.Write("支持   JavaScript   =   "
    +   bc.JavaScript   +   "<br/>");
    Response.Write("支持   Java   Applets   =
    "   +   bc.JavaApplets   +   "<br/>");
    Response.Write("支持   ActiveX
    Controls   =   "   +   bc.ActiveXControls   +   "<br/>");
    Response.Write("电台CDF   =   "   +
    bc.CDF   +   "<br/>");
    Response.Write(Request.UserAgent);
    Response.Write   ("<script
    language='javascript'>//读屏幕的大小screenWidth=screen.widt
    h;screenHeight=screen.height;</script>");
    //屏幕分辨率的高：Response.Write
    (window.screen.height);
    //屏幕分辨率的宽："+
    window.screen.width;
    //屏幕可用工作区高度："+
    window.screen.availHeight;
    //屏幕可用工作区宽度："+
    window.screen.availWidth