As far as we've tested the PersistenceFramwork works with multiple pages and because we weren't able to reproduce your issue I'd like to ask you for a sample project demonstrating it.
We're looking forward to hearing from you.
TRY TELERIK'S NEWEST PRODUCT - EQATEC APPLICATION ANALYTICS for WPF.
Learn what features your users use (or don't use) in your application. Know your audience. Target it better. Develop wisely.
Sign up for Free application insights >>