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how to populate a select box which is dependent on another select box

hi,
i need to populate a select box with values from database. but this should be done based on the value selected in the other select box.

for example,
selectbox1 contains options like:
hardware
software

if hardware is selected, selectbox2 must have the following options(got from the database)
PC
UPS
PRINTERS

could you tell me how to implements it by using action, actionform and jsp

help me regarding this.

ASKER CERTIFIED SOLUTION

Kuldeepchaturvedi

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SOLUTION

kennethxu

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cheungyipyan

ASKER

Thank for reply!!
but i need a sample that implements by using Struts

SOLUTION

u9707118

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cheungyipyan

ASKER

Thank you for all replies
However, i really want to know how to write the codes of JSP, Action and ActionForm to achieve my goal.

Please help me......................

kennethxu

It's difficult for us to teach you how to use structs in a forum thread, it's just too much.
I think you much pick up struts yourself, then it is trivial task to translate the given sample to struts with your particular needs.