public class BarSeries : ColumnSeries 

var workbook = Workbook.Create( ChartSample.ChartSampleOutputDirectory + @"AddCharts.xlsx" );

// Gets the first Worksheet. A Workbook always contains at least 1 Worksheet.
var worksheet = workbook.Worksheets[ 0 ];

// Adds Values for Category.
worksheet.Cells[ "B4" ].Value = 2020;
worksheet.Cells[ "B5" ].Value = 2021;
worksheet.Cells[ "B6" ].Value = 2022;
worksheet.Cells[ "B7" ].Value = 2023;
worksheet.Cells[ "B8" ].Value = 2024;

// Adds Values for Series.
worksheet.Cells[ "C4" ].Value = 20;
worksheet.Cells[ "C5" ].Value = 28;
worksheet.Cells[ "C6" ].Value = 33;
worksheet.Cells[ "C7" ].Value = 12;
worksheet.Cells[ "C8" ].Value = 45;

// Adds a BarChart with the generic Add method and set its SubType. The size of the Chart will be from Cell E4 to L18.
var barChart = worksheet.Charts.Add<BarChart>( "E4", "L18" );
barChart.SubType = BarChartSubType.Clustered;

// Sets the Chart's Title.
barChart.Title.Text = "Profits";
barChart.Title.TextOptions.Font.Bold = true;

// Sets the Legend.
barChart.Legend.Position = LegendPositionType.Right;

// Sets the Category data(x values) for the BarChart : Cells B4 to B8.
barChart.CategoryData = CategoryData.FromCells( worksheet, "B4", "B8" );

// Sets Axis titles and shows them.
barChart.CategoryAxis.Title.IsVisible = true;
barChart.CategoryAxis.Title.Text = "Years";
barChart.ValueAxis.Title.IsVisible = true;
barChart.ValueAxis.Title.Text = "Profits(in M$)";

// Sets the width between the Bar groups to 50%.
barChart.GapWidth = 50;

// Adds BarSeries to the BarChart (y values) by specifying fixed values and a range of Cells’ Adresses.
var barSeries1 = barChart.SeriesCollection.AddFromValues<BarSeries>( 5, 10, 15, 20, 40 );
barSeries1.Name = "IBM";
var barSeries2 = barChart.SeriesCollection.AddFromCells<BarSeries>( "C4", "C8" );
barSeries2.Name = "Apple";

// Customizes the barSeries.
barSeries1.Fill.Color = Xceed.Drawing.Color.Blue;
barSeries2.Fill.Color = Xceed.Drawing.Color.Yellow;
barSeries2.Stroke.Color = Xceed.Drawing.Color.Orange;

// Customizes and shows the DataPoint Labels for the BarSeries.
barSeries1.DataPointLabels.ShowValue = true;
barSeries1.DataPointLabels.Position = SurfaceDataPointLabelsPositionType.OutsideEnd;
barSeries1.DataPointLabels.TextOptions.TextFill.Color = Xceed.Drawing.Color.Blue;
barSeries2.DataPointLabels.ShowValue = true;
barSeries2.DataPointLabels.Position = SurfaceDataPointLabelsPositionType.OutsideEnd;
barSeries2.DataPointLabels.TextOptions.TextFill.Color = Xceed.Drawing.Color.Orange;

// Saves Workbook to disk.
workbook.Save();