refresh

The refresh() method reloads the current instance of the ComboBox widget.
The optional parameter options gives the possibility to extend the initial options with the new ones.

<input id="combo" />

<script type="text/javascript">
    $(function () {
        $("#combo").shieldComboBox({
            dataSource: {
                data: countries
            },
            enabled: false,
            textTemplate: "{name}",
            valueTemplate: "{code}",
            inputTemplate: "{name}"
        });

        $("#combo").swidget().refresh();

    });
</script>