Checkboxlist With Cadvancedarbehavior

i’m trying to do a list of checkboxes, in a update form, but don’t save in the data base, neither set the form with records in the table, my form is called “tuscategorias.php” and have this:


<?php $form=$this->beginWidget('CActiveForm', array(

					'id'=>'tuscategorias-form',

					'enableAjaxValidation'=>false,

					)); ?>


	<?php echo $form->errorSummary($model); ?>

	

        <?php echo $form->checkBoxList($model, 'categoriasIds', CHtml::listData(Categorias::model()->findAll(), 'id_categorias', 'nombre')); ?>

	<?php echo $form->error($model, 'categorias'); ?>

					

					

	<br><div class="buttons">

	<?php echo CHtml::submitButton('Guardar Cambios',array('data-role'=>'button','data-theme'=>'b')); ?>

	</div>


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

model Usuario.php:


public $categoriasIds = array();

public function relations()

	{

		

		return array(

			'categorias' => array(self::MANY_MANY, 'Categorias', 'categorias_usuarios(id_usuario,id_categoria)'),

			

		);

	}


	public function behaviors() 

	{

        return array(

                'CAdvancedArBehavior' => array(

                        'class' => 'application.extensions.CAdvancedArBehavior'

                )

        );


    }

and model Categorias.php:


public function relations()

	{

		return array(

			'categorias' => array(self::MANY_MANY, 'Categorias', 'categorias_usuarios(id_usuario,id_categoria)'),

		);

	}


	public function behaviors() 

	{

        return array(

                'CAdvancedArBehavior' => array(

                        'class' => 'application.extensions.CAdvancedArBehavior'

                )

        );

    }

the controller SiteController.php:


public function loadModel($id)

	{

		$model=Usuarios::model()->findByPk($id);

		if($model===null)

			throw new CHttpException(404,'The requested page does not exist.');

		return $model;

	}

	public function actionTusCategorias($id)

	{

		$model=$this->loadModel($id);          


        if(isset($_POST['TusCategorias']))

        {

                $model->attributes=$_POST['TusCategorias'];

                $model->categorias = $_POST['TusCategorias']['categoriasIds'];

                if($model->save())

                        $this->render('tuscategorias',array(

                        	'model'=>$model,

                        	));

        }


        $this->render('tuscategorias',array(

                        'model'=>$model,

        ));

	}

Hmm.

What exactly are you trying to do? What does the checkboxes do when they are posted?

And what are the actual errors you are getting?

I want to save (update) in the database and when you load the form again Categories set checked