Undefined variable: id
Hej jeg får denne fejl i min kode:Notice: Undefined variable: id in C:\wamp\www\apartment-rental\cp\page-edit-imagebanner.php on line 20 Call Stack: 0.0015 147864 1. {main}() C:\wamp\www\apartment-rental\cp\page-edit-imagebanner.php:0 Warning: mysql_fetch_assoc() expects parameter 1 to be resource, boolean given in C:\wamp\www\apartment-rental\cp\page-edit-imagebanner.php on line 21 Call Stack: 0.0015 147864 1. {main}() C:\wamp\www\apartment-rental\cp\page-edit-imagebanner.php:0 0.0407 705032 2. mysql_fetch_assoc() C:\wamp\www\apartment-rental\cp\page-edit-imagebanner.php:21
Her er de liner hvor fejlen opstår:
if(isset($_GET['id'])) $id = $_GET['id'];{
// Formen blev sendt - kør koden her
$result = mysql_query("SELECT * FROM bsi_bannerimages WHERE img_id=".$id);
while($row = mysql_fetch_assoc($result)){