help in My First Project

[eluser]Beg_student[/eluser]
Hi every one!
i am new in codeigniter and also student of BCS final year and i want build a simple application
Application details
login form redirect to member area and in member area we have horizontal menu bar like below

ClassSetup StudentSetup etc ........

When we click on Classsetup menu then we would two tab

(1) view all record (2)add new record

Simarly form StudentSetup
can any one send me code for demo code then i can develop my application
and also give me some guidance of how to develop code for such school application and ERP
application,your code is very important for me because i'll follow it to complete my application
Thanks!!!