Sounds like section access to me but you need to elaborate a little
Thank you, ioannis giakoumakis,I read that document.I want to give permission to new user to access qv application.but I do not know how to give permission to new user pls tell me out how to give permission to new user ? .and I want to know how to give username and password to bar chart in qlikview. how to improve dashboard performance in qlikview.
You can use a combination of user information and show/hide commands to leverage section access driving chart visibility.
Check out this webinar for an example.