APEX 4.x have native cascading select list feature for form items (not tabular form).
Why you do not use that?
This Patrick's blog post might help use that feature
yes , this is the problem with native cascading select list feature that it is not support for master details forms.
do you have any solution for that please.
i am stuck here in this for 3 weeks.
please give a solution so that i proceed with my project.