Validation rules requested in http://stackoverflow.com/questions/14174329/yii-submit-a-value-to-different-model.

gistfile1.php

        /**
         * @return array validation rules for model attributes.
         */
        public function rules()
        {
                // NOTE: you should only define rules for those attributes that
                // will receive user inputs.
                return array(
                        array('name, value', 'safe'),
                        // The following rule is used by search().
                        // Please remove those attributes that should not be searched.
                        array('id, name, value', 'safe', 'on'=>'search'),
                        array('name, value', 'required'),
                );
        }