Dropdownlist with autopostback as false not working after submit

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VB

ASP

i have a small form inside and update panel. On the form I have some jquery that will make display some additional inputs when the a selected index is chosen. I then submit the input. After the submit my Jquery does not work? I can move the visibility of the server, but i would prefer to do this with JS.

So my question is how do I get my JS running again after a submit to a refreshed form within an update panel?

What I have tried:

If Not Page.IsPostBack Then

If Not Page.IsPostBack Then

Initpage()

LoadData()

else
'' made the ddl get its datsource again


End If


i have changed the jquery
from hide() to css("display","none")