How to get the IP address and computer name of the user.............

This is the most article for the security purpose.By this article you are familiar with person who is using your website.by this you get the ip address and the computer name of the user.
create new web application.
take 3 labels.
first of all use this namespace...

then make 3 methods in the class....

first one gives the IPV6 address of the user...

second gives the IPV4 address of the user....

third method gives the computer name of the user...

now in the page load event write this code...