CodeIgniter how to connect multi database using database.php for first connection and Model for second connection

[eluser]dev.bashar[/eluser]
thank you Matalina for the reply

i found the solution and it's like that

but now i have another problem

i want to disable all database default errors
and i set

Code:

$specific['db_debug'] = FALSE;

but now how i can to create custom message if the database on the second connect is wrong?
and must load the other page content


thanks for all