C#检测浏览器类型 Detect Browser

private void Button1_Click(object sender, System.EventArgs e)
{
    System.Web.HttpBrowserCapabilities browser = Request.Browser;
    string s = "Browser Capabilities
"
        + "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 VBScript = "       + browser.VBScript + "
"
        + "Supports JavaScript = "     + 
            browser.EcmaScriptVersion.ToString() + "
"
        + "Supports Java Applets = "   + browser.JavaApplets + "
"
        + "Supports ActiveX Controls = " + browser.ActiveXControls 
              + "
"
        + "Supports JavaScript Version = " +
            browser["JavaScriptVersion"] + "
";

    TextBox1.Text = s;
}