public function render(Varien_Object $row)
 {
     $retour = '';
     if (!$row->getec_is_conflict()) {
         $retour = '<font color="green">No</font>';
     } else {
         $retour = '<font color="red">Yes</font><br>';
         $url = $this->getUrl('ExtensionConflict/Admin/DisplayFix', array('ec_id' => $row->getId()));
         $retour .= '<a href="' . $url . '">Display fix</a>';
     }
     return $retour;
 }