Parameter Form-How to use a user parameter to retrieve list of values for another par

I am developing a report in Reports 6i. There are 2 parameters on parameter form namely year and month.
LOV for Year is retrieved from database. After user selects a value from LOV for year, I want to retrieve another LOV for month parameter based on selected year. That is how can we use a user parameter's value to dynamically retrieve an LOV for another parameter on the same parameter form.
Pl. guide.
Thanks in anticipation.

You can't restrict the "List of Values" of one parameter based on the value of another parameter within the Reports Builder/Runtime parameter form.
The SQL select statements within LOV's are only executed once. They aren't re-calculated when you enter, leave or change other field values in the parameter form. This is mainly because there is no event model in the Reports parameter form and it only supports basic form functionality.
To do what you're after in a client-server environment you need to create an Oracle Forms "parameter form" and use that to execute the Report using the run_product() call. Actually, you should probably use Oracle Forms for any more generic "form" functionality such as radio buttons or check boxes.
If you're in a Web rather than Client-Server environment, it may be easier to create a JSP based parameter form. You can then use Reports 9i since it has JSP support to assist here.

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Edited by: 854393 on Dec 29, 2012 11:52 AM

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null

Parameter Form-How to use a user parameter to retrieve list of values for another par

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