How to get exact ip address of local machine in ASP.Net

Rfer

http://stackoverflow.com/questions/6803073/get-local-ip-address-c-sharp

http://social.msdn.microsoft.com/Forums/vstudio/en-US/ac91845e-bb04-478e-a554-c2a8d48b9d60/how-to-get-local-machine-ip-address-using-c?forum=csharpgeneral