浏览器类型

        //
        // Summary:
        //     Gets or sets information about the requesting client's browser capabilities.
        //
        // Returns:
        //     An System.Web.HttpBrowserCapabilities object listing the capabilities of
        //     the client's browser.
        public HttpBrowserCapabilities Browser { get; set; }

#region Assembly System.Web.dll, v4.0.0.0
// C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5\System.Web.dll
#endregion

using System.Web.Configuration;

namespace System.Web
{
    // Summary:
    //     Enables the server to gather information on the capabilities of the browser
    //     that is running on the client.
    public class HttpBrowserCapabilities : HttpCapabilitiesBase
    {
        // Summary:
        //     Creates a new instance of the System.Web.HttpBrowserCapabilities class.
        public HttpBrowserCapabilities();
    }
}

   // Summary:
    //     Provides a single source for accessing capability information about a client
    //     device and for performing queries against device capabilities. For information
    //     about how to develop ASP.NET mobile applications, see the www.asp.net/mobile
    //     Web site.
    [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
    public class MobileCapabilities : HttpBrowserCapabilities

namespace HttpRequestDemo
{
    public partial class UA : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            StringBuilder sb = new StringBuilder();
            //浏览器的名称
            sb.AppendFormat("Browser:{0}<br/>", Request.Browser.Browser);
            //主要版本
            sb.AppendFormat("MajorVersion:{0}<br/>",Request.Browser.MajorVersion);
            //次要版本
            sb.AppendFormat("MinorVersion:{0}<br/>", Request.Browser.MinorVersion);
            //clr版本
            sb.AppendFormat("ClrVersion:{0}<br/>", Request.Browser.ClrVersion);
            //是否支持activex控件
            sb.AppendFormat("ActiveXControls:{0}<br/>", Request.Browser.ActiveXControls);
            //是否支持cookie
            sb.AppendFormat("Cookies:{0}<br/>", Request.Browser.Cookies);
            //支持的ECMA脚本的版本号
            sb.AppendFormat("EcmaScriptVersion:{0}<br/>", Request.Browser.EcmaScriptVersion);
            //支持的W3C DOM的版本号
            sb.AppendFormat("W3CDomVersion:{0}<br/>", Request.Browser.W3CDomVersion);
            Response.Write(sb.ToString());

        }
    }
}