activeSheet.isPaintSuspended(true);
activeSheet.setRowCount(34);
activeSheet.setValue(0,0,"Western");
activeSheet.setValue(0,1,"Western");
activeSheet.setValue(0,2,"Western");
activeSheet.setValue(1,0,"A");
activeSheet.setValue(1,1,"B");
activeSheet.setValue(1,2,"C");
activeSheet.setValue(2,0,"A");
activeSheet.setValue(2,1,"B");
activeSheet.setValue(2,2,"C");
activeSheet.rowRangeGroup.group(0,2);
activeSheet.colRangeGroup.group(0,1);
activeSheet.isPaintSuspended(false);
$("#spreadContainer").data("spread").getActiveSheet().bind(GcSpread.Sheets.Events.RangeGroupStateChanging, function (e, info) {
alert("Level (" + info.level + ")");
});