Display the newly inserted values

Hi - I have a jsp page and I am displaying all its data from the action class.
Example:
JSP page displayes the following content

Category1
process1
process2
process3

Category2
process4
process8

Now I have a button which allows to add new process
so let us say i clicked on the button and added process5 under Category1
how can I display process5 under category1 with out page refresh.

I am using Struts and jsp

Thanks,
shragiAsked:
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gurpsbassiCommented:
U need to use Ajax.
Send request to server to persist the value, upon success, refresh the DOM with the newly inserted value.
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shragiAuthor Commented:
Any example please I tried to search web that pass values to server and back to page but could not find proper one
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gurpsbassiCommented:
depends what you have on hand.
If you have jQuery, you can do using that or there are other numerous ways of doing it, even using a XMLHttpRequest.
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