Create Excel Chart Sheets

using GemBox.Spreadsheet;
using GemBox.Spreadsheet.Charts;
using System;

class Program
{
    static void Main()
    {
        // If using the Professional version, put your serial key below.
        SpreadsheetInfo.SetLicense("FREE-LIMITED-KEY");

        var workbook = new ExcelFile();
        var worksheet = workbook.Worksheets.Add("Data");

        // Add data which will be used by the Excel chart.
        worksheet.Cells["A1"].Value = "Name";
        worksheet.Cells["A2"].Value = "John Doe";
        worksheet.Cells["A3"].Value = "Fred Nurk";
        worksheet.Cells["A4"].Value = "Hans Meier";
        worksheet.Cells["A5"].Value = "Ivan Horvat";

        worksheet.Cells["B1"].Value = "Salary";
        worksheet.Cells["B2"].Value = 3600;
        worksheet.Cells["B3"].Value = 2580;
        worksheet.Cells["B4"].Value = 3200;
        worksheet.Cells["B5"].Value = 4100;

        // Set header row and formatting.
        worksheet.Rows[0].Style.Font.Weight = ExcelFont.BoldWeight;
        worksheet.Columns[0].SetWidth(3, LengthUnit.Centimeter);
        worksheet.Columns[1].Style.NumberFormat = "\"$\"#,##0";

        // Make entire sheet print on a single page.
        worksheet.PrintOptions.FitWorksheetWidthToPages = 1;
        worksheet.PrintOptions.FitWorksheetHeightToPages = 1;

        // Create Excel chart sheet.
        var chartsheet = workbook.Worksheets.Add(SheetType.Chart, "Chart");
        workbook.Worksheets.ActiveWorksheet = chartsheet;

        // Create Excel chart and select data for it.
        // You cannot set the size of the chart area when the chart is located on a chart sheet, it will snap to maximum size on the chart sheet.
        var chart = chartsheet.Charts.Add(%ChartType%, 0, 0, 0, 0, LengthUnit.Centimeter);
        chart.SelectData(worksheet.Cells.GetSubrangeAbsolute(0, 0, 4, 1), true);

        workbook.Save("Chart Sheet.%OutputFileType%");
    }
}