add.ctp[sales view file]

add.ctp

<?php
echo $this->Html->css('../js/plugins/datepicker/datepicker', array('inline' => false));
echo $this->Html->script('plugins/datepicker/bootstrap-datepicker', array('inline' => false));
echo $this->Html->css('../js/plugins/fileupload/bootstrap-fileupload', array('inline' => false));
echo $this->Html->script('plugins/fileupload/bootstrap-fileupload', false);
echo $this->Html->script('holder', false);

$this->extend('/Layouts/portlet');

$this->assign('contentHeader', $contentHeader);
$this->start('portletHeader');
	echo $this->Icon->get('add');
	echo $this->Label->get('student.add');
$this->end();

$this->start('portletBody');
$formOptions = $this->FormUtility->getFormOptions(array('action' => 'add'));
echo $this->Form->create('Sale',$formOptions); 
echo '<div class="form-group">';
	    echo $this->Form->input('date',array('label' => array('class' => 'col-md-2 control-label')));
         echo '</div>';

         echo '<div class="form-group">';
		echo $this->Form->input('name',array('type'=>'select','options'=>$names,'label' => array('class' => 'col-md-2 control-label')));
         echo '</div>';

         echo '<div class="form-group">';
		echo $this->Form->input('product',array('type'=>'select','options'=>$na,'id'=>'prd','label' => array('class' => 'col-md-2 control-label')));
         echo '</div>';

          echo '<div class="form-group">';
		echo $this->Form->input('qty',array('id'=>'qt','label' => array('class' => 'col-md-2 control-label')));
         echo '</div>';

          echo '<div class="form-group">';
		echo $this->Form->input('amount',array('id'=>'amt','label' => array('class' => 'col-md-2 control-label')));
        echo '</div>';
	

 echo $this->Form->end(__('Submit')); ?>
</div>
<div class="actions">
	<h3><?php echo __('Actions'); ?></h3>
	<ul>

		<li><?php echo $this->Html->link(__('List Sales'), array('action' => 'index')); ?></li>
    <?php
    App::import('Controller', 'SalesController');
$EmpCont = new SalesController;
$EmpCont->tests();
    ?>
	</ul>
</div>
<script type="text/javascript">
 $(document).ready(function(){              
     $('#qt').change(function () {
     	var data= $('#prd').val();
     	$.ajax({
        url: '/tests',  
        type: 'POST',        
        data: {data,data},
         success: function (data) {  

            //add the content retrieved from ajax into whatever forms you like
            // $("#otherbox").val(data.[User][information][here]);
            // $("#otherbox").val(data.[User][information][here]);
            // $("#otherbox").val(data.[User][information][here]);
            // $("#otherbox").val(data.[User][information][here]);
            alert(data);
        } ,
        error : function() {
           alert("cannot send data");
        }      
    });
     });
 });
</script>

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