SMART datagrid v.1 > Classes > GridRow
Return the list of sibling rows of Parent row of this row as array.
You can get the list of sibling rows by getSiblings.
$('#checkUncles').click(function () {
var row = grid.focusedRow();
if (row) {
var rows = row.getUncles(true);
grid.checkAll(false);
grid.checkRows(rows, true);
}
});