Issue with Popup LOV field not clearing out "default" value

I am using APEX 4.0 & Oracle 10g
I have a form that displays a default value on a "Popup LOV" field (say P1_POPUP) when the Form is initially displayed to the user. The default value is part of the Popup LOV list of values. If the field is "manually cleared" *i.e. I clear the default value by backspacing and don't touch the LOV) and I Refresh (submit) the form (REFRESH button to display the same Form again), the default value is still displayed.
In Post Processing, I debugged the value of P1_POPUP to see if holds the default value and yes it does. I was expecting no value in P1_POPUP.
Is this an APEX standard behavior?
Any way how I can get rid of this value on an manually clearing action of this Pop Up field?
Looking forward for your response.
Thank very much in advance.
Ed.

I apologize, the default value was NULL indeed. However, it seems like I may need to manually clear this value so that it will not be displayed.

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Edited by: user13110728 on 9-aug-2010 8:44

Hi Jan,
the problem is the
onBlur="javascript:f_P21_select_kostenposten(this,'P21_KOSTENPOST');"on P21_GBREKNR. This is getting attached to the HTML input text field but as well the the anchor link which opens the popup. So when you leave the text field the cursor will be put onto the icon to open the Popup LOV. When you press tab another time or leave the anchor link by clicking somewhere the above JavaScript function is fired again. But the problem is that "this" this time points to the anchor and not the text item anymore, so it will return an invalid value when you access this.value in your f_P21_select_kostenposten function which results in an empty result of your on-demand call.
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I will still investigate what's going on with the anchor link in APEX 4.0
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My Blog: http://www.inside-oracle-apex.com
APEX 4.0 Plug-Ins: http://apex.oracle.com/plugins

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From: Andy_DeWees<[email protected] du>
To:novell.support.zenworks.endpoint-security-management
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Subject: I have installed the agent 10 or 15 times and one installation hasfailed, no error appeared during the installation but I am havinginconsistent issues with my ethernet card not working here and there. Werebooted and can log into Novell client but the login prompt did not appearfor ESM client or the icon was not in the systray. Everything seems towork, besides at times (a couple times today) it terminates his ethernetcard/connection. I would re-image his computer but he has severalapplications and
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