Use $ajax->observeField method of ajax helper. Here is an example:
<span id="albumNameMsg"></span>
<?php
echo $ajax->observeField("AlbumNametext",array
('url'=>'checkAlbumName','update'=>'albumNameMsg','loading'=>"Element.show
('loaderIDCheck')",'loaded'=>"Element.hide
('loaderIDCheck')",'before'=>
"if($('AlbumNametext').value == ''){
$('albumNameMsg').innerHTML='Please enter album name';
$('albumNameMsg').style.color='red';
return false;
}
else {
$('albumNameMsg').innerHTML='';
}"));
?>
On Apr 14, 6:19 pm, "Dr.Dran" <franco.tampi...@gmail.com> wrote:
> Hi!
>
> I'm a newbe, I try to make my new application with cake, there is a
> simple shopping cart.
>
> I have in particular two field that one is the quantoty and one is the
> price.
>
> My problem is that I want when i fill the quantity field the price
> field change his value that was a simple product of the price for the
> quantity...
>
> I found in ajax inhttp://ajaxtags.sourceforge.netth function Update
> Field that seems do what I need: "Updates one or more form field
> values based on response to text entered in another field"
>
> There is the same thing in cake ajaxhelper? There is some examples?
>
> Best regards
>
> Franco Tampieri
>
> P.S. Excuse me for my bad english :P
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