How to Handle the LOV AM in the page level Controller

Hi All,
I have standard page ,In that page there is LOV in which user can select any value.
But the client requirement is the value in the lov has to be displayed has to be displayed automatically the first record of the LOVwhen page is rendered.
For that i am trying to handle the Lov AM in the extended controller by using
OAApplicationModule rootAM = pageContext.getRootApplicationModule();
OAApplicationModule childAM1=(OAApplicationModule)rootAM.findApplicationModule("CsfPoLovAM");
Here CsfPoLovAM is the AM of the LOV
when i am doing this i am getting the value of childAM1 as null.
Could you please let me know is there any other way of handling the AM of lov on the extended controller
And there is controller is defined for the LOV .
Thanks
Ajay

If there is no CO than you can put a new custom controller in the LOVRN ,in the PR method of new controller get the VO and call the firs() method of this VO like
LOVVO.first() ;this will full fill your requirement .
HI Pratap,
I had created a new custom controller in the LOVRN and in the Process Request.of the controller i am getting the first record.
like follows
OAViewObjectImpl vo=(OAViewObjectImpl)am.findViewObject("CsfInstallLotNumberVO1");
oapagecontext.writeDiagnostics("IN LOV CO Process Request ","vo:"+vo,4);
if(vo!=null)
vo.executeQuery();
Row row=vo.first();
oapagecontext.writeDiagnostics("IN LOV CO Process Request ","row:"+row,4);
if(row!=null){
String lotnumber=(String)row.getAttribute("LotNumber");
oapagecontext.writeDiagnostics("IN LOV CO Process Request ","lotnumber:"+lotnumber,4);
oapagecontext.putSessionValue("LotNumberParam",lotnumber);
i am able to get this lov value in the lov window when the lov item is clicked
and i am trying to handle that value in my exteded co its getting that value
Thanks
Ajay

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Here is my banner,
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Hi,
Asked to Learn wrote:
Dear Exparts,
Hope you are fine.
Here is my banner,
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - ProdI have a date field name birth_date where i store date of birth. I need to pick date of birth in a given range. For example
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