title: Searching/filtering two concatenated columns in cgridview
body: <p>cgridview code in admi.php</p>
  
  <pre><code>array(
      'header'=&gt;'Client Name',
          'name'=&gt;'client_name',
          'value'=&gt;'$data-&gt;first_name." ".$data-&gt;last_name', //or u can write also value'=&gt;'$data-&gt;first_name.\' \'.$data-&gt;last_name', 
      ),
  </code></pre>
  
  <p>model search() class in client.php</p>
  
  <pre><code> public $client_name;
  
  $criteria-&gt;compare('CONCAT(first_name,last_name)',$this-&gt;client_name,true);
  </code></pre>
  
  <p>Concatenation <strong>and displaying</strong> is done but seraching the data show no results found?</p>