So there is are a number of php functions that don't work with mySQLi recordsets?
I tried this one also (not empty) and it also failed:
<?php
if (!empty($rscoupons->getColumnVal("id"))) {
?>
Please let me know so I don't spend a bunch of time thinking it's my syntax that is off
http://www.php.net/manual/en/function.empty.php
http://www.php.net/manual/en/function.isset.php