You may wanna search the archives for this, as its been discussed quite a 
few times before.

Basically it comes down to either using some sort of client scripting 
language (Javascript, VB script etc...), or refreshing the page everytime 
someone makes a choice in the list box and then populating the rest.  IE

They select Ohio in the first box, then you would refresh the page, and 
select * from cities where state = "OH"...


At 01:21 PM 5/16/2002 +0100, Brian McGarvie wrote:
>How would you implement 4 drop down lists....
>Data in list 2 dependant on list 1, list 3 dependant on list 2 and list
>4 dependant on list 3? Using an ODBC source.
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