Need Help on CodeIgniter CRUD

[eluser]StefanAlexandru[/eluser]
Hello, everyone, I am new to CI, and I have to say that is awesome!
Also the documentation is very good
Before asking my questions, i need to tell you all that my english is poor, and my OOP knowledge is basic!

These are my needs ->
-An administration zone for about 17 tables that have the same columns ( there are 17 countries that have same columns (id, environment,country,backbone,database,server), I want the user to enter into the administration and select in which table does he want to edit/add/delete! (of course i need an registration with login, but i think at this part i should handle)
I know how to make the script for each table, but i don't want to rewrite the code everytime!
I think i should make use of segment "trick", when somebody select a country, the url segment should change to that country, and my script take it as a $_GET
and chagnge the variable $tableName to the segment value!
The menu of the administration should have a link for each table!
I am not sure that I can do that, but I think is the only solution !
I also thought that I could an datagrid, but of course i need some hints how to use them (flexgrid, jqgrid etc)


Give me some hints, or put me in the right direction on how to achieve this without writing so much code!
Thanks in advance and sorry for my bad english