Chart.SecondValueAxis

Chart.SecondValueAxis property

Gets the chart’s second Y axis.

public Axis SecondValueAxis { get; }

Examples

using System;
using Aspose.Cells;
using Aspose.Cells.Charts;

namespace AsposeCellsExamples
{
    public class ChartPropertySecondValueAxisDemo
    {
        public static void Run()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();
            Worksheet worksheet = workbook.Worksheets[0];

            // Add sample data
            worksheet.Cells["A1"].PutValue("Category");
            worksheet.Cells["A2"].PutValue("A");
            worksheet.Cells["A3"].PutValue("B");
            worksheet.Cells["A4"].PutValue("C");
            
            worksheet.Cells["B1"].PutValue("Series 1");
            worksheet.Cells["B2"].PutValue(100);
            worksheet.Cells["B3"].PutValue(200);
            worksheet.Cells["B4"].PutValue(300);
            
            worksheet.Cells["C1"].PutValue("Series 2");
            worksheet.Cells["C2"].PutValue(5000);
            worksheet.Cells["C3"].PutValue(3000);
            worksheet.Cells["C4"].PutValue(1000);

            // Add a chart
            int chartIndex = worksheet.Charts.Add(ChartType.Column, 5, 0, 20, 8);
            Chart chart = worksheet.Charts[chartIndex];

            // Set chart data range
            chart.NSeries.Add("B2:B4", true);
            chart.NSeries.Add("C2:C4", true);
            chart.NSeries.CategoryData = "A2:A4";

            // Enable secondary value axis for the second series
            chart.NSeries[1].PlotOnSecondAxis = true;

            // Customize the secondary value axis
            Axis secondValueAxis = chart.SecondValueAxis;
            secondValueAxis.Title.Text = "Secondary Axis";
            secondValueAxis.MinValue = 0;
            secondValueAxis.MaxValue = 6000;
            secondValueAxis.MajorUnit = 1000;

            // Save the workbook
            workbook.Save("SecondValueAxisDemo.xlsx");
        }
    }
}

See Also