doubkle click the WADAProducts recordset. and change the where clause:
WHERE ProductName = ParamProductName OR ( -1= ParamSessionProductName AND ProductName= ParamProductName2)
to:
WHERE ProductID = ParamProductName OR ( -1= ParamSessionProductName AND ProductID= ParamProductName2)
edit the ParamProductName and ParamProductName2 parameters and change the run time value:
$_GET['ProductName']
to:
$_GET['ProductID']