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Dynamic populating the drop down list based on the selected value of first list

 
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Hi experts , I am having a problem on how to populate the drop down list based on the selected value of first list. I have one drop down list taken from database , and based on any
selection of the first one list , appropriate second list(also taken from the databae ) will be shown , how can I do that ???, I have heared to use AJAX , but really the point of AJAX
not clear to me and specially with JSP , I have looked for AJAX tutorials , I got with ASP , PHP not with JSP, could you please give me quick tutorial of how I could that

thaanks alot
.
 
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Moved to the HTML/JavaScript forum.

Once the JSP has executed and the HTML is sent to the browser, the JSP is out of the picture and this is something you'll have to do with JavaScript and Ajax.

Please SearchFirst -- this is has been discussed many timres.
 
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