how to access session globally in web application

HI everybody,

I am new in Yii framework,I am unable to access session globally in my web application i mean if i create session in site controller then i can access the session in same controller but i am unable to access session in different controller, Please help me

I don’t see that you created session anywhere in SiteController.php file

sorry i didn’t provided complete details

i have created session in useridentity


private $_id;

public function authenticate()


{


		$users=Agent::model()->findByAttributes(array('A_username'=>$this->username));


		if($users===null)


			$this->errorCode=self::ERROR_USERNAME_INVALID;


		else


		{ 


		if($users->A_password!==$this->password)


			{


			$this->errorCode=self::ERROR_PASSWORD_INVALID;


			}


		else


		   {


			$this->_id = $users->A_id;


			$session=new CHttpSession;//modified


			$session->open();


			$session['name']=$this->username;//modified


			$this->errorCode=self::ERROR_NONE;


		   }


		}


		return !$this->errorCode;


           }

by the way problem has been resolved now i am able to access session


public function accessRules()

{


	$name;


    $session=new CHttpSession;//modified


	$session->open();


	if(isset($session['name'])) 


	{


     $name = $session['name'];


	 }


	return array(


		array('allow',  // allow all users to perform 'index' and 'view' actions


			'actions'=>array('index','view'),


			//'users'=>array($session['name']),


			'users'=>array($name),

@Sagar,

You can use Yii session as,

Yii::app()->session[‘xyz’] = “value”;

and can use anywhere in site as,

echo Yii::app()->session[‘xyz’];

hi can anybody let me know how to display username of session once user login, in new page created in view/demo/ and i should insert in database if he create product.

got username but help me to insert his name into db along with the product he z adding., product z adding but hw to add username?