How do I default the value in an LOV?

Dear experts,
What I am trying to achieve is changing the default value in an LOV, based on the value of another field. I have an LOV that lists employee names. There is another field, an account number, which when selected is used to determine the default employee set against this account. This employee I want to use to add into the LOV as a default the value, before the user selects a value in the LOV. The user can still invoke the LOV and search for a different employee, but the functionality I am concered with is setting this default employee.
I have modified the ProcessForm in the associated controller class. I have obtained the account number and using an SQL query I have obtained the default employer, but I can not seem to set this value in the LOV as a default. Does any one have any ideas?
For the LOV there are two criteria values in the LOV mapping, the org id and the code combination id, both used in the query to get the default employee.
Many thanks for your assistance in advance.
Mark

Hi,
IF want use dependent lov ..then refer below link..
http://oracleanil.blogspot.com/2010/12/dependent-lov-in-oaf.html
Or
IF u want set any default value in lov2 when value selecetd in lov1...
Get the event of the lov1 on PFR..
if("LOv1ID").equals(pageContext.getParameter(SOURCE_PARAM))
&& ("lovUpdate".equals(pageConext.getParameter(EVENT_PARAM))
|| "lovValidate".equals(pageConext.getParameter(EVENT_PARAM))))
Here try set default value as given by Gyan...
Pls check syntax errors...
Regards
Meher Irk

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