Dependant LOV is not working sometimes???

Hi Everyone,
i have created one dependant LOV. Lov1(Dept) and Lov2(Eno).
When i select any dept from first LOV it will trigger one OnChange() Event and there i am taking the dept name passing to the Employee table to filter corresponding ENOs in Lov2.
It works sometimes fine but sometimes it shows blank records in Lov2 but in backed Lov2 is having records.
what can be the issue?
Thanks.

Kumar,
mention your jdev version and teck stack always before asking any query.
what do you mean by 'sometimes' it is not working? in which case it's not working? when you are getting blank values in you dependent lov, have you checked that the query (for the dependent lov) is returning any record?
~Abhijit

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