[nhibernate-development] Steps to start with n-hibernate

[hiber]

Hi,i am basically new to n-hibernate.i need to develop an application
in  mvc3 where the database schema is generated automatically.
Please can you tell me the steps to follow...
like first i should create a class in model then a mapping a file..and
so-on
i have got only an rough idea about it and i m not understanding hw to
go about it
Please please help me