Prado\Web\UI\WebControls\TListControl::setSelectedValue PHP Method

    public function setSelectedValue($value)
    {
        if ($this->_items) {
            if ($value === null) {
                $this->clearSelection();
            } else {
                if (($item = $this->_items->findItemByValue($value)) !== null) {
                    $this->clearSelection();
                    $item->setSelected(true);
                } else {
                    $this->clearSelection();
                }
            }
        }
        $this->_cachedSelectedValue = $value;
        if ($this->getAdapter() instanceof IListControlAdapter) {
            $this->getAdapter()->setSelectedValue($value);
        }
    }