var cellrange = new GcSpread.Sheets.Range();
cellrange.col = 0;
cellrange.row = 1;
cellrange.colCount = 1;
cellrange.rowCount = 8;
activeSheet.setValue(1, 0, 1);
activeSheet.setValue(2, 0, -2);
activeSheet.setValue(3, 0, -1);
activeSheet.setValue(4, 0, 6);
activeSheet.setValue(5, 0, 4);
activeSheet.setValue(6, 0, -4);
activeSheet.setValue(7, 0, 3);
activeSheet.setValue(8, 0, 8);
var setting = new GcSpread.Sheets.SparklineSetting();
setting.showMarkers(true);
activeSheet.setSparkline(13, 0, cellrange, GcSpread.Sheets.DataOrientation.Vertical, GcSpread.Sheets.SparklineType.line, setting);