title: cant get ESelect2 extension in yii concatenate two or more columns in the dropdown
body: <p>Eselect2 is the extension am using and myADropDown() fetches the data and displays but then my need is concatenate two or more columns in the dropdown</p>
  
  <p>model1 view</p>
  
  <pre><code>     &lt;?php $this-&gt;widget('ext.select2.ESelect2', array(
        'name' =&gt; 'id',
      'model' =&gt; $model,
      'options'  =&gt; array(
  'placeholder' =&gt; $model-&gt;getAttributeLabel('id'),
    ),
     'data' =&gt; $model-&gt;myADropDown(),
  
  
        ));?&gt;
  </code></pre>
  
  <p>model1</p>
  
  <pre><code>  public function getConcatened()
        {
          return $this-&gt;name.' '.$this-&gt;locate.' '.$this-&gt;rating;
        }
  
       public function myADropDown()
    {
      $vid=Yii::app()-&gt;SESSION['vid'];
  
    $gid=Model2::model()-&gt;xyz($vid);
  
       $list=CHtml::listData($gid,'id','concatened');
   return $list;
      }
  </code></pre>
  
  <p>// id is fk in another tbl</p>
  
  <p>in the <strong>dropdownlist my need is name ,location,rating for each person</strong> , am unable to do so</p>
  
  <p>Please Let me know how do i achieve it</p>