HOW TO SELECT MIN VALUE UNDER DEFAULT TAG OF SELECT LIST

GREETINGS,
I M USING APEX 4.1 AND CREATED SELECT LIST ON PAGE, I WANT TO SHOW MIN VALUE OF THE SELECT LIST FOR THAT I WROTE IN THAT SELECT LIST PROPERTIEC UNDER DEFAULT TAG MIN; AND CHOOSE PL/SQL EXPRESSION BUT ITS GIVING ERROR "Error computing item default value for page item P1_PRODUCT."
BUT IF I HARCORE THE VALUE CONTANING IN MY DATA LIKE PRODUCT ID = 1, I HARDCODED IN DEFAULT VALUE 1 AND SELECT PL/SQL EXPRESSION IT WORKS.
BUT ITS NOT DONE LIKE THIS I WANT TO SELECT BY DEFAULT MIN VALUE OF THE SELECT LIST, SO THAT THE DATA SHOULD BE DISPLAYED ACCORDING TO THAT.
THE EXACT REQUIREMNT IS TO ENTER THE SELECT LIST DEFULAT VALUE IN SESSION SO THAT DATA IS TO BE DISPLAYED

Hi,
you have some options:
1) you can try setting default value of P1_SELECT_PRODUCT item, I was do it
2) or you can try send the value of P1_SELECT_PRODUCT value in URL, like this:
http://apex.oracle.com/pls/apex/f?p=45296:1:0::::P1_SELECT_PRODUCT:4
3) or you can set the session state of P1_SELECT_PRODUCT item on page 101 (login page) by seting this value in Login process on page 101
HELLO kIAS !
SETTING DEAFULT VALUE VALUE OF P1_SELECT_PRODUCT_ITEM IS NOT A SOLUTION ON THIS MATTER, BECASUE P1_SELECT_PRODUCT IS CALLED DYNAMICALY AFTER THE LOGIN DEPEND UPON THE RIGHTS OF THE USER THE SELECT IS POPULATED ID USER IS E.G ABC AND IT DOESBNOT CONTAIN SELECT LIST VALUE 4 THEN IT DISPLAY NOTHING.
AND THIRD POINT MAY BE HELP ME BUT I DONT KNOW HOW TO SET SESION STATE BECASUE WHEN I GO TO LOGIN PAGE AND CREATE SESSION STATE PROCESS FOLLOWING RADIO BUTTOPN APPEARS
Clear Cache For Applications (removes all session state for listed applications)
Clear Cache For Current Application (removes all session state for current application)
Clear Cache For Current Session (removes all state for current session)
Clear Cache for Items (ITEM,ITEM,ITEM)
Clear Cache for all Items on Pages (PageID,PageID,PageID)
Reset Preferences (remove all preferences for current user)
Set Preference to value of Item (PreferenceName:ITEM)
Set Preference to value of Item if item is not null (PreferenceName:ITEM)
WHICH ONE I HAVE TO SELECT ?

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