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Ken Koellner
Browser History and Null PageReferences returning to same back re back button
Can anyone explain definitively what goes on with Browser history when a page button calls an action method that returns a Null page reference, such that the user stays on the same page and with the same controller?
I've noticed three different behaviors--
I've noticed three different behaviors--
- The browser Back button is enabled and if the user hits it, they goes to the page in the prior View State.
- The Back button is not enabled.
- The Back is enabled but if I hit it I get the error "Document Expired This document is no longer available."