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Adding a Child Filter to Existing Form

Thread began 12/05/2012 5:51 pm by reiter303441179 | Last modified 12/06/2012 4:50 pm by reiter303441179 | 540 views | 1 replies


Adding a Child Filter to Existing Form

I'm trying to add a child filter to an existing filter on a products page. I've followed the how to for dynamic drop downs without success. I've even deleted the current filter and started from scratch using the how to with a result of a blank page even with error reporting on. Below is the code pertinent to the current filter which I would like to be the parent. I would like to have a child filter underneath this one that's populated with "models" based off of the "manufacturers" in the parent filter. And have the models change based off of a certain "manufacturer" if a manufacturer is selected in the parent. The "models" for the child filter come from the same table as the products. I have to mention there is also an url parameter associated with this page. This parameter passes along the category to be viewed. Any help would be greatly appreciated. I've attached a zip of the page if that helps since my question above may be convoluted.

<div id="search_filter">
<div id="filter">Filter By Manufacturer</div>
<div id="manufacturers">
<table width="200" border="0" cellpadding="0" cellspacing="0" class="forms">
<td width="200"><form method="post" name="filterform" action="<?php echo($_SERVER['PHP_SELF']); ?><?php echo((isset($_GET['Category']))?"?Category=".$_GET['Category']:""); ?>">
<input name="WADbSearch1" type="hidden" value="search">
<select name="ProductManufacturerID" class="input-med" id="ProductManufacturerID" onChange="document.filterform.submit();">
<option value="">Non-Selected</option>
do {
<option value="<?php echo $row_WADAProductManufacturerID['ManufacturerID']?>"><?php echo $row_WADAProductManufacturerID['ManufacturerName']?></option>
} while ($row_WADAProductManufacturerID = mysql_fetch_assoc($WADAProductManufacturerID));
$rows = mysql_num_rows($WADAProductManufacturerID);
if($rows > 0) {
mysql_data_seek($WADAProductManufacturerID, 0);
$row_WADAProductManufacturerID = mysql_fetch_assoc($WADAProductManufacturerID);

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