Ceditablegridview Property Undefined On Renderquickbar Function

Hi there I have an arror trying to implemente de CEditableGridView

This is the error:

The property "CArrayDataProvider"."modelClass" is undefined.

C:\xampp\htdocs\svur\protected\extensions\CEditableGridView.php(51)

Yii::import(‘zii.widgets.grid.CGridView’);

41 Yii::import(‘application.extensions.CEditableColumn’);

42 Yii::import(‘application.extensions.Relation’);

43

44 class CEditableGridView extends CGridView {

45 public $showQuickBar=1;

46 public $quickCreateAction=‘QuickCreate’;

47 public $quickUpdateAction=‘QuickUpdate’;

48 public $addButtonValue=’+’;

49

50 public function renderQuickBar() {

51 printf (’<form method=“post” action=“index.php?r=%s/%s”>’,$this->dataProvider->modelClass,$this->quickCreateAction);

52 echo "<tr>";

53 foreach($this->columns as $column)

And in de _form.php in update action

$dataProvider = new CArrayDataProvider(‘Pagare’);

$dataProvider->setData($cotizacion->pagares);

                &#036;this-&gt;widget('CEditableGridView', array(


                'id'=&gt;'pagares-grid',


                'dataProvider'=&gt;&#036;dataProvider,


                'showQuickBar'=&gt;'true',


                'quickCreateAction'=&gt;'modifiedPagare', // will be actionQuickCreate()


                'columns'=&gt;array(


                        'id',


                        'numero_pago',


                        'tipo_movimiento',


                       array('header'=&gt;'importe','name'=&gt;'importe', 'class'=&gt;'CEditableColumn'),


                        //array('header'=&gt;'fecha_vencimiento','name'=&gt;'fecha_vencimiento', 'class'=&gt;'CEditableColumn'),


                        'concepto_movimiento',


                        'cotizacion_id',


                    ),


                ));

I will apreciate your response.

Thank in advance!.