detect mobile browser with asp.net

Hi, Can asp.net detect a mobile browser from the webpage's code behind? I had a look with links like below and got nowhere as it didnt install/work. I have vs2010 and I am using vb.net. I installed that package and this is no app_data folder and there is no wurfl file and there is no wurfl config file and the below webpage claims it has. http://www.codeproject.com/Articles/213825/ASP-net-Mobile-device-detection
...