codeigniter login with session

[eluser]Unknown[/eluser]
I want to create admin panel.which will be set with session.If once i login admin panel it will save record in session and then if go to admin panel again without log-out it must visible i admin is logged.
please help

[eluser]Otemu[/eluser]
This tutorial will help you here

[eluser]Unknown[/eluser]
Thanks for reply , But how to pass session data /username to function or another controller,plz help me.