SMART datagrid v.1 > Classes > GridBase
    $('#deleteChecked').click(function (ev) {
        var rows = grid.getCheckedRows(true);
        if (rows && rows.length > 0) {
            ds.beginUpdate();
            for (var i = rows.length; i--;) {
                var row = rows[i].dataIndex();
                row >= 0 && ds.deleteRow(row);
            }
        }
    });