take a look at:
http://www.mail-archive.com/cake-php@googlegroups.com/msg33243.html
they discussed the Problem an found a nice solution!
On 3 Feb., 08:47, sebb86 <kahlc...@googlemail.com> wrote:
> Hello,
> my table **rooms** contains three fields: //id//, //building_id//
> and //room//.
>
> //Building_id// and //room// have to be UNIQUE together, because room
> 9 is in building 1 only one time but room 9 can also conained in
> building 2.
> The //building_id// in the view is realized as a drop-down field. So i
> can only choose buildings, which already exists. Now i want to check
> the existence of the "room"-value, which i type in a form, with the
> actual //building_id//.
>
> How can i solve this problem?
>
> I retrieve my data the following way (view:)
> {{{
> <?php foreach ($rooms as $room): ?>
> <tr>
> <td><?php echo $room['Room']['id']; ?></td>
> <td><?php echo $room['Room']['building_id']; ?> (<?php echo $room
> ['Building']['description']; ?>)</td>
> <td><?php echo $room['Room']['room']; ?></td>
> </tr>
> <?php endforeach; ?>
>
> }}}
>
> Thanks ver much if someone can help.
> Greetings :)
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