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select statement help

Thread began 9/15/2016 11:10 am by Jamie | Last modified 9/15/2016 2:42 pm by Jamie | 98 views | 1 replies


select statement help

Hey Ray

Just wondering how I would modify the following select statement

SELECT * FROM productcategories WHERE CategoryParentID <> 0 ORDER BY CategoryName ASC

so that CategoryName's that do have a CategoryParentID = 0 can be shown in the drop down

At the moment, I have a drop down

<select name="ProductCategory" class="select fifty product" tabindex="9">
<option value="" selected="selected">Please Select</option>
<?php do { ?>
<option value="<?php echo $row_Categories['CategoryID']; ?>" <?php if (!(strcmp($row_WADAproducts['ProductCategoryID'],$row_Categories['CategoryID']))) {echo "selected=\"selected\"";} ?>><?php echo $row_Categories['CategoryName']; ?></option>
<?php } while ($row_Categories = mysql_fetch_assoc($Categories)); ?>

but would like to get it so that the parent category can be shown in front of the sub cat sort of like this

<option value="<?php echo $row_Categories['CategoryID']; ?>" <?php if (!(strcmp($row_WADAproducts['ProductCategoryID'],$row_Categories['CategoryID']))) {echo "selected=\"selected\"";} ?>><?php echo $row_Categories['CategoryName']; ?> >> <?php echo $row_Categories['CategoryName']; ?></option>

and, if there is no subcat that the CategoryID value of the parent category is used and the separator >> is not visible

This is the table structure at the moment:



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