Populating A Combo Box From Another Combo Box?

Mar 31, 2010

I am using javascript to populate a number of text boxes based on the data item selected in the 1st combo box.

I am now working on making the selection of that combo box populate another combo box with items from another table. I can hard the sql code for the 2nd combo box so that when I select an option it populates more text boxes, but want the contents of the 2nd combo box to dynamically change depending on the selection of the 1st box. I would like this to do it without refreshing the page after each 1st combo box selection.

The 2nd box does not populate with the below code as I guess the variable isn't populated, I can put '1' in and it selects products with that prodid, but as explained above i'd like it to read the prodid from the 1st combo box.

Code:
<?php
require "session_logincheck.php";
function selectProductAndPopulate()
{

[Code].....

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I am developing an asp page (compliants.asp) using Javascript. I am not able to solve a problem i.e., I ve 2 dropdown lists. Based on the 1st dropdown list's data (data retrieved from database) , second dropdownlist has to be populated (retrieving data from database). Can anyone help me in sorting this issue. Im posting my code below...

<HTML>
<HEAD>
<script language="JavaScript">

[code]....

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[Code].....

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//excuse the dodgy syntax

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[CODE]
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[code]....

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[code]...

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{[code]....

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NS broke when I was cleaning up the code. Searching for the error.

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How do I disable some options in a combo box in IE? on mozilla I did like:

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