// Instantiating an Workbook object
Workbook workbook = new Workbook(dataPath + "AsposePivotTable.xls");

// Adding a new sheet
int sheetIndex = workbook.getWorksheets().add(SheetType.CHART);
Worksheet sheet3 = workbook.getWorksheets().get(sheetIndex);

// Naming the sheet
sheet3.setName("PivotChart");

// Adding a column chart
int chartIndex = sheet3.getCharts().add(ChartType.COLUMN, 0, 5, 28, 16);
Chart chart = sheet3.getCharts().get(chartIndex);

// Setting the pivot chart data source
chart.setPivotSource("PivotTable!PivotTable1");
chart.setHidePivotFieldButtons(false);

// Saving the Excel file
workbook.save(dataPath + "Aspose_PivotChart_Out.xls");