It takes me much time to figure out why but I run out of luck. Check
manual and API carefully and still cannot make it work.
My codes:
(in controller)
if ($this->User->findByUsername($this->data['User']['username']) )
$this->User->invalidate('username');
(in view)
<?php
echo $html->input('User/username', array('id'=>'username',
'size'=>'50'));
echo $html->tagErrorMsg('User/username', 'User name must be
unique
and contain at least 5 and no more than 8 chars');
?>
Any help?
Many thanks,
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