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how to use collections...need coding ....urgent ..pls

I have the following information

continent | country | Placeof interest

Asia | India |
agra,mumbai,delhi
asia | china |
beijing,shangai,shen zhen
asia | mongolia | ulan bator
North america | USA | new york,los
angeles,boston
north america | canada | ottowa,toronto
south america | brazil | sao palo,rio de janiro
south america | argentina | comodoro,beusnoair
i want to create an aspx page that would read the data from my
collection object and populate the dropdowns

dropdown 1 - continent

dropdown 2 - country

dropdown 3 - places of interest
so if i change asia,it should show india,china,mongolia ..if i select
india then ythe 3rd dropdown should show all the places in india
alone.
thanx in advance!!

Feb 26 '07 #1
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