Prado\Web\UI\TControl::setEnableViewState PHP Method

    public function setEnableViewState($value)
    {
        if (TPropertyValue::ensureBoolean($value)) {
            $this->_flags &= ~self::IS_DISABLE_VIEWSTATE;
        } else {
            $this->_flags |= self::IS_DISABLE_VIEWSTATE;
        }
    }