public static void Run()
{
// ExStart:1
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
// Open the existing file.
Workbook workbook = new Workbook(dataDir + "Book1.xlsx");
// Get the designer chart in the first worksheet.
Aspose.Cells.Charts.Chart chart = workbook.Worksheets[0].Charts[0];
// Add the third data series to it.
chart.NSeries.Add("{60, 80, 10}", true);
// Add another data series (fourth) to it.
chart.NSeries.Add("{0.3, 0.7, 1.2}", true);
// Plot the fourth data series on the second axis.
chart.NSeries[3].PlotOnSecondAxis = true;
// Change the Border color of the second data series.
chart.NSeries[1].Border.Color = Color.Green;
// Change the Border color of the third data series.
chart.NSeries[2].Border.Color = Color.Red;
// Make the second value axis visible.
chart.SecondValueAxis.IsVisible = true;
// Save the excel file.
workbook.Save(dataDir + "output.xls");
// ExEnd:1
}
}