hello,

need some advice for,

I have a service for return Model (Customer) to the requester.
each user(requester) has a right at this Model in the field level, some user can see Customer SpecialType field or not etc etc.

am i mask or null this fields after read DB or am i read only this has right field from db and return a Model(Customer) to the requester, after when requester change some in this model and send to the update, how can i manage only changed and has right field save to the DB with this NHibernate.

I have an idea but has some performance problems. any one have a solution for this situation or idea help for me

regards,