How to clear cache for items after submitting the page ?

db11gxe , apex 4.0 , firefox 24 ,
hi all ,
i have a non enterable pop-up lov and a report in the same page , and i search with the pop-up item , but the problem is when i click the search button ,
the value in the pop-up is not deleted , and sure i want it cleared after i search ? how to do so ?
thanks

Surely, when you click the search button, the value in your item is required by the report (as a parameter).
Create a button (RESET) with a branch back to the same page and use the clear cache in the branch
Gus

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