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adding custom functionality to SSRS parameter

Posted By:      Posted Date: October 23, 2010    Points: 0   Category :Sql Server


I have a report that has to filter by following parameter combinations.
search by country, search by state, search by city, search country and state, search by country and city, search by state and city,
search by country, state, and city in doing so when country is 'USA' I have to give user the option of choosing either state or country rest its country and city option.
How do I get this done?


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