can't save to mysql

[newuser666]

here's my code

<?
input name="X_" value="<? echo($task[task]) ; ?>" type="text" size="40"></td>
?>

for updating the database
<?
if ($save_changes) {
$task_q=mysql_query("SELECT id, task FROM project_tasks
WHERE project_id='p' AND user_id='$userinfo[id]'");
while($task=mysql_fetch_assoc($task_q) ) {
$complete=${"X_".$task[id] };
mysql_query("UPDATE project_tasks SET complete='$complete' WHERE id='$task[id]'");
}
}
?>

<input type="submit" name="save_changes" value="save changes">

I get no error messages but can't save either. plz help
thanks.

Never mind. found another way.

[planetsim]

Hmm why do you have a while loop. You dont need it if your only having one row.

[newuser666]

for your help. your right, i didnt need the while loop.