In view:
<?php
echo $html->input('User/username', array('id'=>'username',
'size'=>'50'));
echo $html->tagErrorMsg('User/username', 'User name must unique
and
contain at least 5 and no more than 8 chars');
?>
<div id="err">
<?php
echo $ajax->observeField('username', array('update'=>'err',
'url'=>"/users/checkduplicate", 'frequency'=>1));
?>
</div>
In controller:
function checkduplicate()
{
$this->layout='ajax';
$this->autoRender=false;
$condition=array('username'=>$this->data['User']['username']);
if (!empty($this->data['User']['username']))
{
$a=$this->User->find($condition);
if (!empty($a)); //I also tried isset, isset & !empty
echo $this->data['User']['username'].": Duplicate Entry";
}
}
Whenever I enter some value in "username" text field, I always get the
message that: xxxx :Duplicate Entry, even the entry does not exist in
db.
Why?
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