Find out users browser and operating system

Is there a way in ASP.Net to find out the browser and operating s开发者_StackOverflow中文版ystem of the user?

Thanks

Jamie

Yes it's called the UserAgent, see HttpContext.Current.Request.UserAgent IIRC:

http://msdn.microsoft.com/en-us/library/system.net.httpwebrequest.useragent.aspx

Note however, this CAN be spoofed and changed.