Upgrade CI version from 1.7.2 to 2.0

[eluser]crimsun[/eluser]
Hi Team,

My current site is in 1.7.2 version and i want to upgrade the version to 2.0. And i follow the process which is guide by ci forum.

However when i open the site link its open the home page means default controller class only for all the classes / controller.

I didn't get the link working well.

Can anybody help me out.

Thanks in Advance.

[eluser]praveens[/eluser]
Go through below Link

http://ellislab.com/codeigniter/user-gui...e_200.html