public function rules()
 {
     $arules = parent::rules();
     $thisrules = array(array('tiposdepractica', 'validtiposdepractica', 'integerOnly' => true, 'min' => 0));
     return array_merge($arules, $thisrules);
 }
 /**
  * @return array validation rules for model attributes.
  */
 public function rules()
 {
     $arules = parent::rules();
     $thisrules = array(array('valorAdescontar', 'required'));
     return array_merge($arules, $thisrules);
 }
 /**
  * @return array validation rules for model attributes.
  */
 public function rules()
 {
     $arules = parent::rules();
     $thisrules = array(array('valorAdescontar', 'required'), array('apartirde', 'numerical', 'integerOnly' => true, 'min' => 1));
     return array_merge($arules, $thisrules);
 }