the date format entered in the database must be yyyy-mm-dd
you can convert the date format when the form is submitted by using code similar to this at line (this example assumes the date element is named "date"):
<?php
if(isset($_POST['date'])) {
$_POST['date'] = date("Y-m-d", strtotime($_POST['date'] ));
}
?>
on your page, where you display the date, you can convert it to your format using:
<?php echo(date("d/m/Y", strtotime($row_recordsetName("dateColumn"))); ?>