Take a look at the CakePHP book at these locations:

http://book.cakephp.org/view/1390/Automagic-Form-Elements
which explains about the form elements and the automagic functionality
of it!

http://book.cakephp.org/view/1390/Automagic-Form-Elements#options-options-1394
which explains how your data is applied to the form element, so as to
create a select element.

http://book.cakephp.org/view/1390/Automagic-Form-Elements#options-multiple-1395
which will make the select into a set of checkboxes.

By following the above, you should be able to get it up and running!
Should you have issues on the way, don't hesitate to write in this
thread again :)
Enjoy,
   John

On Jun 17, 2:09 pm, mirfan <m.irfa...@gmail.com> wrote:
> Hi guys,
>
> I have three tables
>
> categories                       campaigns
> campaign_categories
> ----------------------
> --------------------------
> ---------------------------------
> id
> id                                     id
> name                             name
> category_id
> status
> detail                                campaign_id
>
> the table campaign_categories is a bridge between categories and
> campaigns
>
> Now if i have 20 categories in "categories" table
>
> and making user able to select how many he wants with checkboxes.
>
> and when click save all of them are saved.
>
> simply i want to generate a form with checkboxes and user select
> categories and then all of them are saved.
>
> how will i do that please help me.

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