Dual Dropdown Doesn't Refresh?

Apr 14, 2009

I have this code that I use to display and grab data from 2 tables in mysql into 2 dropdown menus.

When I select in dropdown menu 1 an item (with ID in database, the first table has fields: ProgrammaID, Programma).

Then in de second dropdown menu the particulair item with this same ID as the selected one in menu 1 need to be shown. The second table has fields: ProjectID, ProgrammaID, Project.

The ProgrammaID from table1 is also in table2 (designed by our previous designer).

Now I can select an item from dropdown menu 1 but the second dropdown menu isn't shown the items as should be.

Here is the code I use:

[Code]....

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I have 2 dropdown lists which are connected to a mysql database. When I select an item from the first dropdown list the second dropdown list should show item which are linked to the item from the first list. But the thing is I can select an item from the first one, but the second isn't showing anything.

In the mysql database I have 2 tables: hesk_programma and hesk_projecten. In table hesk_programma there are a ProgrammaID and Programma column. In table hesk_projecten there are a ProgrammaID, a ProjectNumber and a Project column.

ProgrammaID from the two tables are connected to each other, so when I select an item from the first dropdown list with the ProgrammaID AK, the second dropdownlist should only display the items with the ProgammaID AK from the hesk_projecten.

Here is the code I use:

PHP Code:

<?php 
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mysql_select_db("bestellingen");
$query = "SELECT * FROM hesk_programma ";

[Code]....

By the way, one more thing. The ProjectNumber from the hesk_projecten table should be displayed (when selecting an item in the second dropdownlist) in a input text field.

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<script type="text/javascript">
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/**
* Dual/Tri/Quad state rollovers from www.javascript-fx.com
* posted at and available from www.codingforums.com
* You may use this code on any website but please
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*/
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/*** End the rollover code ***/
//-->
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This is the code to define rollovers and is also placed in the HEAD of your document

<script type="text/javascript">
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Rollover("home", "images/home_off.gif", "images/home_on.gif");
Rollover("email", "images/email_off.gif", "images/email_on.gif");
Rollover("script", "images/script_off.gif", "images/script_on.gif");
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Where the syntax is
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Then to use the code in a rollover image the HTML in the BODY of your page should look like this

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onMouseOut="mOut('home');"><img name="home"
src="images/home_off.gif" border=0></A><br>

NOTE: The name if the image must match the Rollover name
--- <img name="home"
--- Rollover("home", "images/home_off.gif", "images/home_on.gif");

If you use the script in this form you will get something like this demo
Dual State Rollovers (http://www.javascript-fx.com/post/codeforums/quadroll/QuadState2img.html)
------------------------------------------------------------------------
If you want the clicked image to be a third image you define the rollovers as follows :-

<script type="text/javascript">
<!--
Rollover("home", "images/home_off.gif", "images/home_on.gif", "images/home_clk.gif");
Rollover("email", "images/email_off.gif", "images/email_on.gif", "images/email_clk.gif");
Rollover("script", "images/script_off.gif", "images/script_on.gif", "images/script_clk.gif");
Rollover("links", "images/links_off.gif", "images/links_on.gif", "images/links_clk.gif");
Rollover("special","images/special_off.gif","images/special_on.gif","images/special_clk.gif");
//-->
</script>

Where the syntax is
Rollover(Name, offImage, onImage, clickedImage)

Which results in this demo
Tri State Rollovers (http://www.javascript-fx.com/post/codeforums/quadroll/QuadState3img.html)
------------------------------------------------------------------------------------
If you want to have a clicked image and have that clicked image also have a (different) rollover effect you define the rollovers as follows :-

<script type="text/javascript">
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Rollover("home", "images/home_off.gif", "images/home_on.gif", "images/home_clk.gif", "images/home_clk_off.gif");
Rollover("email", "images/email_off.gif", "images/email_on.gif", "images/email_clk.gif", "images/email_clk_off.gif");
Rollover("script", "images/script_off.gif", "images/script_on.gif", "images/script_clk.gif", "images/script_clk_off.gif");
Rollover("links", "images/links_off.gif", "images/links_on.gif", "images/links_clk.gif", "images/links_clk_off.gif");
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//-->
</script>

Where the syntax is:

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