Dropdown get Value

h3rm · June 15, 2011, 9:08am

i try this tutorial http://www.yiiframe…




<?

echo CHtml::dropDownList('country_id','', array(1=>'USA',2=>'France',3=>'Japan'),

array(

'ajax' => array(

'type'=>'POST', //request type

'url'=>CController::createUrl('site/test'), //url to call.

//Style: CController::createUrl('currentController/methodToCall')

'update'=>'#city_id', //selector to update

//'data'=>'js:javascript statement' 

//leave out the data key to pass all form values through

))); 

 

//empty since it will be filled by the other dropdown

echo CHtml::dropDownList('city_id','', array());

?>

and controller :




public function actionTest(){

		$tag = $_POST['country_id'];


		echo CHtml::tag('option',array('value'=>'A' ),CHtml::encode('A - ' .  $tag),true);

	

	}

i want display data ‘A - 1’ when clicked USA and ‘A - 2’ when clicked France’

1 -> USA Value and 2 is France Value from country_id dropdown.

but the data does not appear as I expected.

what is wrong with my code.

thank you

mdomba · June 15, 2011, 9:30am

check your HTML source to see if the ID of the second dropdown is city_id, I guess it’s not

h3rm · June 15, 2011, 9:40am

thank for response.

this HTML source :




<select name="country_id" id="country_id">

<option value="1">USA</option>

<option value="2">France</option>

<option value="3">Japan</option>

</select>

<select name="city_id" id="city_id">

</select>	</div><!-- content -->

</div>

mdomba · June 15, 2011, 10:20am

everything seems fine… I would suggest to use firebug to see what values are sent with the ajax call… and what is returned…

h3rm · June 15, 2011, 3:01pm

I’ve tried to debug using firebug, and there’s no data sent.

is thare any solution for this ?

1741

bug post.JPG

h3rm · June 16, 2011, 1:34am

well, I found the solution.

I add this tag:




<?php $form=$this->beginWidget('CActiveForm', array(

    'id'=>'sample-form',

    'enableAjaxValidation'=>true

)); ?>


.....................


<?php $this->endWidget(); ?>

nurmala · December 4, 2013, 6:56am

Can anybody assist

This is my code under _search.php

<?php

/* @var $this BiodataPelajarController */

/* @var $model BiodataPelajar */

/* @var $form CActiveForm */

?>

<?php $form=$this->beginWidget(‘CActiveForm’, array(

'action'=&gt;Yii::app()-&gt;createUrl(&#036;this-&gt;route),


'method'=&gt;'post',


    'enableAjaxValidation'=&gt;true

)); ?>

&lt;div class=&quot;row&quot;&gt;


	&lt;?php echo &#036;form-&gt;label(&#036;model,'id'); ?&gt;


	&lt;?php echo &#036;form-&gt;textField(&#036;model,'id'); ?&gt;


&lt;/div&gt;

<!-- <div class="row">

	&lt;?php echo &#036;form-&gt;label(&#036;model,'id_program_pengajian'); ?&gt;


	&lt;?php echo &#036;form-&gt;textField(&#036;model,'id_program_pengajian'); ?&gt;


    &lt;/div&gt;--&#62;

<!-- <div class="row">

	&lt;?php echo &#036;form-&gt;label(&#036;model,'Pusat Pengajian'); ?&gt;


            &lt;?php echo &#036;form-&gt; dropDownList(&#036;model, 'id_program_pengajian',


                               CHtml::listData(PusatPengajian::model()


                               -&gt;findAll(array('order'=&gt;'nama_pusat_pengajian')),'id','nama_pusat_pengajian'));


            ?&gt;


   &lt;/div&gt;

–>

<!-- <div class="row">

	&lt;?php echo &#036;form-&gt;label(&#036;model,'Pusat Pengajian'); 


            &#036;list = CHtml::listData(PusatPengajian::model()


                               -&gt;findAll(array('order'=&gt;'nama_pusat_pengajian')),'id','nama_pusat_pengajian');


            ?&gt;


             &lt;?php echo &#036;form-&gt; dropDownList(&#036;model, 'id_program_pengajian',


                               &#036;list, array ('empty'=&gt;'Pilihan pusat')); ?&gt;


          


   	&lt;/div&gt;--&#62;





&lt;div class=&quot;row&quot;&gt;


	&lt;?php echo &#036;form-&gt;label(&#036;model,'Pusat Pengajian'); ?&gt;


	&lt;?php echo &#036;form-&gt;dropDownList(&#036;model,'id_program_pengajian','',


                    array(0=&gt;'Pilihan Pusat Pengajian', 1=&gt;'Bahasa Dan Linguistik',2=&gt;'Bahasa, Kesusteraan Dan Kebudayaan Melayu',


                          3=&gt;'Media Dan Komunikasi',4=&gt;'Psikologi Dan Pembangunan Manusia', 5=&gt;'Sejarah, Politik Dan Strategi',


                          6=&gt;'Sosial, Pembangunan Dan Persekitaran'),


                    array('ajax'=&gt;'POST',


                          'url'=&gt;CController::createUrl('LoadProgramPengajian'),


                          'update'=&gt;'#id_programpengajian',


                          )


                          ); 


                  echo CHtml::dropDownList('id_programpengajian','', array()); ?&gt;     


   	&lt;/div&gt;





&lt;div class=&quot;row&quot;&gt;


	&lt;?php echo &#036;form-&gt;label(&#036;model,'matrik'); ?&gt;


	&lt;?php echo &#036;form-&gt;textField(&#036;model,'matrik',array('size'=&gt;7,'maxlength'=&gt;7)); ?&gt;


&lt;/div&gt;





&lt;div class=&quot;row&quot;&gt;


	&lt;?php echo &#036;form-&gt;label(&#036;model,'nama'); ?&gt;


	&lt;?php echo &#036;form-&gt;textField(&#036;model,'nama',array('size'=&gt;60,'maxlength'=&gt;100)); ?&gt;


&lt;/div&gt;





&lt;div class=&quot;row&quot;&gt;


	&lt;?php echo &#036;form-&gt;label(&#036;model,'ingatan30_60'); ?&gt;


	&lt;?php echo &#036;form-&gt;textField(&#036;model,'ingatan30_60'); ?&gt;


&lt;/div&gt;





&lt;div class=&quot;row buttons&quot;&gt;


	&lt;?php echo CHtml::submitButton('Search'); ?&gt;


&lt;/div&gt;

<?php $this->endWidget(); ?>

</div>

And this is my controller file :

.

 public function actionLoadProgramPengajian()


   {


    &#036;id_program_pengajian=(int)&#036;_POST['id_program_pengajian'];


    var_dump(&#036;id_program_pengajian);


    if (&#036;id_program_pengajian=0)


            &#036;data=array(0=&gt;'States:');


    else if (&#036;id_program_pengajian==1)


            &#036;data=array(1=&gt;'Alaska', 2=&gt;'California');      


    else if (&#036;id_program_pengajian==2)


            &#036;data=array(1=&gt;'Orleans', 2=&gt;'Bordeaux');


    else if (&#036;id_program_pengajian==3)


            &#036;data=array(1=&gt;'Hokkaido', 2=&gt;'Okinawa');


    foreach(&#036;data as &#036;value=&gt;&#036;name)


            echo CHtml::tag('option', array('value'=&gt;&#036;value), CHtml::encode(&#036;name), true);


   }

But i keep on getting PHP warning : Invalid argument supplied for foreach()

shgninc · December 4, 2013, 7:54am

That is because of nothing send by ajax as data:




<?php echo $form->dropDownList($model,'id_program_pengajian','', array(0=>'Pilihan Pusat Pengajian',  1=>'Bahasa Dan Linguistik',2=>'Bahasa, Kesusteraan Dan Kebudayaan  Melayu', 3=>'Media Dan  Komunikasi',4=>'Psikologi Dan Pembangunan Manusia', 5=>'Sejarah,  Politik Dan Strategi', 6=>'Sosial, Pembangunan Dan Persekitaran'),

 	array('ajax'=>'POST',

         	'url'=>CController::createUrl('LoadProgramPengajian'),

         	'type'=>'POST',

         	'data'=>array('id_program_pengajian'=>'js:this.value'),

         	'update'=>'#id_programpengajian',

                              )

                              ); 

                      echo CHtml::dropDownList('id_programpengajian','', array()); ?>     

       	</div>

nurmala · December 5, 2013, 12:36am

ok…tq for the respond…I’ve edit my script as below but i’m getting the same warning "Invalid argument supplied for foreach() "…Tq inadvance for any assistance …i’m still new with yii

&lt;div class=&quot;row&quot;&gt;


	&lt;?php echo &#036;form-&gt;label(&#036;model,'Pusat Pengajian'); ?&gt;


	&lt;?php echo &#036;form-&gt;dropDownList(&#036;model,'id_program_pengajian','',


                    array(0=&gt;'Pilihan Pusat Pengajian', 1=&gt;'Bahasa Dan Linguistik',2=&gt;'Bahasa, Kesusteraan Dan Kebudayaan Melayu',


                          3=&gt;'Media Dan Komunikasi',4=&gt;'Psikologi Dan Pembangunan Manusia', 5=&gt;'Sejarah, Politik Dan Strategi',


                          6=&gt;'Sosial, Pembangunan Dan Persekitaran'),


                    array('ajax'=&gt;array(


                        'type'=&gt;'POST',


                          'url'=&gt;CController::createUrl('LoadProgramPengajian'),


                          'update'=&gt;'#id_programpengajian',


                          )


                          )


                          ); 


                  echo CHtml::dropDownList('id_programpengajian','', array()); ?&gt;     


   	&lt;/div&gt;

nurmala · December 5, 2013, 2:13am

sorry…latest upadte as below but still not working :

&lt;div class=&quot;row&quot;&gt;


	&lt;?php echo &#036;form-&gt;label(&#036;model,'Pusat Pengajian'); ?&gt;


	&lt;?php echo &#036;form-&gt;dropDownList(&#036;model,'id_program_pengajian','',


                    array(0=&gt;'Pilihan Pusat Pengajian', 1=&gt;'Bahasa Dan Linguistik',2=&gt;'Bahasa, Kesusteraan Dan Kebudayaan Melayu',


                          3=&gt;'Media Dan Komunikasi',4=&gt;'Psikologi Dan Pembangunan Manusia', 5=&gt;'Sejarah, Politik Dan Strategi',


                          6=&gt;'Sosial, Pembangunan Dan Persekitaran'),


                    array('ajax'=&gt;array(


                        'type'=&gt;'POST',


                          'url'=&gt;CController::createUrl('LoadProgramPengajian'),


                          'data'=&gt; array('id_program_pengajian' =&gt; 'js:this.value'),


                          'update'=&gt;'#id_programpengajian',


                          )


                          )


                          ); 


                  echo CHtml::dropDownList('id_programpengajian','', array()); ?&gt;     


   	&lt;/div&gt;