i'm trying to do the exact same thing and am experiencing the same
issues as you are.
On Nov 26, 10:06 am, "[EMAIL PROTECTED]"
<[EMAIL PROTECTED]> wrote:
> Hi all,
> my problem is occurring with creating a dropdown box that when
> selected, AJAX will place another dropdown box below it filled with
> choices according to the value chosen in box 1.
>
> I use the following code to generate the first dropdown box:
>
> <?php
> echo select_tag('department_choice', objects_for_select($depts,
> 'getName', 'getName'),
> array( 'onchange' => remote_function( array(
>
> 'update' => 'classSelection',
> 'url' => 'departments/GetCourses',
> 'with' => "'id=' + this.options[this.selectedindex].value",
> 'loading' => "Element.show('indicator')",
> 'complete' => "Element.hide('indicator')"
> ) )
> ));
> ?>
>
> <div id="classSelection">
> </div>
>
> executeGetCourses in action.class.php, which will take the value from
> Box 1 and retrieve only the values from the CRN column of my 3 column
> table that have the same Name column value as the id chosen:
>
> public function executeGetCourses()
> {
> $CRNcrit = new Criteria();
>
> $CRNcrit -> clearSelectColumns();
> $CRNcrit -> addSelectColumn( OfferedPeer::CRN );
>
> $CRNcrit->add( OfferedPeer::Name, $this-
>
> >getRequestParameter('id') );
>
> $this->crns = OfferedPeer::doSelect( $deptCrns );
>
> }
>
> and this is getCoursesSuccess.php:
>
> <?php
> use_helper('Object');
>
> echo select_tag( 'classes', objects_for_select($crns, 'getCRN',
> 'getCRN') );
> ?>
>
> Is there anything wrong with this code, because when i execute it in
> my web page, nothing happens when i choose an option in box 1?
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