You can use .uniq! on any array (which includes ActiveRecord.find(:all...)
return values).
In terms of setting the other combo boxes you'll either need to ajax back to
the controller or pass all data in the first time and have javascript do
some filtering for you (which you choose depends on how
plz help me in retrieving distinct element from db and populate in
combobox?
I hav created a model location.It has elements
(state,district,province,...)
I want to populate one combobox with distinct state and the other combo
box should display corresponding districts in that state which is
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