= 2) { // check for submit if ($_SERVER['REQUEST_METHOD']=="POST" ) { $location_id = $_POST['location_id']; $location_name = $_POST['location_name']; $parent = $_POST['parent']; $location_info = $_POST['location_info']; mysql_query("UPDATE location SET location_name='$location_name', parent='$parent', location_info='$location_info' WHERE location_id='$location_id'") or die(mysql_error()); header_location("locationview.php?location_id=" . $location_id); } $location_id = $_GET['location_id']; // get current information $result = mysql_query("SELECT location_name, parent, location_info FROM location WHERE location_id='$location_id'"); while ($row = mysql_fetch_object($result)) { $location_name = $row->location_name; $location_info = $row->location_info; $parent = $row->parent; } ?>