spread.options.highlightInvalidData = true;
var dv = GC.Spread.Sheets.DataValidation.createListValidator("1,2,3");
dv.showInputMessage(true);
dv.inputMessage("Value must be 1,2 or 3");
dv.inputTitle("tip");
dv.inCellDropdown(true);
activeSheet.setDataValidator(1,1,1,1,dv,GC.Spread.Sheets.SheetArea.viewport);
var validList = activeSheet.getDataValidator(1, 1).getValidList(activeSheet, 1, 1);
alert(validList);