c# - Silverlight Navigation: How to remember page state? -


i'm not sure how preserve page state in silverlight 4.

i have page called searchpage. user comes query, query may change while user there. if user goes back, i'd recent version of query retained, not original one.

to this, overrode onfavigatedfrom() , changed navigationcontext.querystring reflect new values. then, in onnavigatedto(), check values.

unfortunately, doesn't work. appears can't change query string, because when call navigator.goback(), goes original query string.

what other way can preserve page state?

you can set navigationcachemode property on page enabled or required, cache , retain page's state when it's navigated away from.


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