Create Excel 2016 Chart Types in C#

Microsoft Excel 2016 introduced new chart types for exploring and quickly visualizing common financial, statistical, and hierarchical data. These new charts are:

·         Waterfall

·         Histogram

·         Pareto

·         Box and whisker

·         Tree map

·         Sunburst

·         Funnel

Essential XlsIO, our file-format manipulation library, supports creating and editing these new chart types from version 14.3 onwards. These chart types can be converted to images and exported to PDF. 

In this blog post we’ll see how to create each of these new chart types in C#.

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Waterfall chart

A waterfall chart helps viewers quickly understand the finances of business owners by visualizing profit and loss statements. With a waterfall chart, you can quickly illustrate the line items in your financial data and get a clear picture of how each item is impacting your bottom line.

A complete sample that creates a waterfall chart can be downloaded here.

The example shows the income statement of a company where the incomes and expenses are listed and visualized in the chart. Among the expenses, it is clear to see that the fixed costs cut most of the net revenue. 

 The following code example illustrates how to create a waterfall chart in C# using XlsIO.

using (ExcelEngine excelEngine = new ExcelEngine())

{

IApplication application = excelEngine.Excel;

application.DefaultVersion = ExcelVersion.Excel2016;

IWorkbook workbook = application.Workbooks.Open(“Sample.xlsx”, ExcelOpenType.Automatic);

IWorksheet sheet = workbook.Worksheets[0];

 

IChartShape chart = sheet.Charts.Add();

 

//Set chart type as waterfall

chart.ChartType = ExcelChartType.WaterFall;

 

//Set data range to the chart from the worksheet

chart.DataRange = sheet[“A2:B8”];

 

//Data point settings as total in chart

chart.Series[0].DataPoints[3].SetAsTotal = true;

chart.Series[0].DataPoints[6].SetAsTotal = true;

 

//Showing the connector lines between data points

chart.Series[0].SerieFormat.ShowConnectorLines = true;

 

//Set the chart title

chart.ChartTitle = “Company Profit (in USD)”;

 

//Formatting data label and legend option

chart.Series[0].DataPoints.DefaultDataPoint.DataLabels.IsValue = true;

chart.Series[0].DataPoints.DefaultDataPoint.DataLabels.Size = 8;

chart.Legend.Position = ExcelLegendPosition.Right;

 

workbook.SaveAs(“Waterfall.xlsx”);

}

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Histogram

A histogram is a column chart that shows the frequency of value appears within a distribution. Each column of the chart is called a bin, which can be changed further to analyze the data.

A complete sample that creates a histogram can be downloaded here.

The example shows the data frequency across the heights of students. Here, the horizontal axis represents the height. Each column shows the number of students within a given height range. 

The following code example illustrates how to create a histogram in C# using XlsIO.

using (ExcelEngine excelEngine = new ExcelEngine())

{

IApplication application = excelEngine.Excel;

application.DefaultVersion = ExcelVersion.Excel2016;

IWorkbook workbook = application.Workbooks.Open(“Sample.xlsx”, ExcelOpenType.Automatic);

IWorksheet sheet = workbook.Worksheets[0];

 

IChartShape chart = sheet.Charts.Add();

 

//Set chart type as histogram      

chart.ChartType = ExcelChartType.Histogram;

 

//Set data range in the worksheet  

chart.DataRange = sheet[“A1:A15”];

 

//Category axis bin settings       

chart.PrimaryCategoryAxis.BinWidth = 8;

 

//Gap width settings

chart.Series[0].SerieFormat.CommonSerieOptions.GapWidth = 6;

 

//Set the chart title and axis title

chart.ChartTitle = “Height Data”;

chart.PrimaryValueAxis.Title = “Number of students”;

chart.PrimaryCategoryAxis.Title = “Height”;

//Hiding the legend

chart.HasLegend = false;

 

workbook.SaveAs(“Histogram.xlsx”);

}

Pareto chart

A Pareto chart is a sorted histogram where columns are sorted in descending order and a line representing the cumulative total percentage is plotted over top.

A complete sample that creates a Pareto chart can be downloaded here.

The example shows personal expenses in a sorted format. The line graph shows how each column or issue contributes to the overall total expenses. Notice from the bar graph that the rent category at 2300 was the highest expense. From the green line graph, we see that rent contributed to 40% of all other expenses. 

The following code example illustrates how to create a Pareto chart in C# using XlsIO.

using (ExcelEngine excelEngine = new ExcelEngine())

{

IApplication application = excelEngine.Excel;

application.DefaultVersion = ExcelVersion.Excel2016;

IWorkbook workbook = application.Workbooks.Open(“Sample.xlsx”, ExcelOpenType.Automatic);

IWorksheet sheet = workbook.Worksheets[0];

 

IChartShape chart = sheet.Charts.Add();

 

//Set chart type as Pareto

chart.ChartType = ExcelChartType.Pareto;

 

//Set data range in the worksheet  

chart.DataRange = sheet[“A2:B8”];

 

//Set category values as bin values  

chart.PrimaryCategoryAxis.IsBinningByCategory = true;

 

//Formatting Pareto line     

chart.Series[0].ParetoLineFormat.LineProperties.ColorIndex = ExcelKnownColors.Bright_green;

 

//Gap width settings

chart.Series[0].SerieFormat.CommonSerieOptions.GapWidth = 6;

 

//Set the chart title

chart.ChartTitle = “Expenses”;

 

//Hiding the legend

chart.HasLegend = false;

 

workbook.SaveAs(“Pareto.xlsx”);

}

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Box and whisker chart

A box and whisker chart shows a distribution of data into quartiles, highlighting the mean and outliers. One use case is to easily identify the minimum and maximum difference in data for a specific product from different companies. Box and whisker charts are most commonly used in statistical analysis.

A complete sample that creates a box and whisker chart can be downloaded here.

The example shows the yearly sales of different vehicle types from four different companies. This type of chart visualizes which vehicle type is leading in sales. 

The following code example illustrates how to create a box and whisker chart in C# using XlsIO.

using (ExcelEngine excelEngine = new ExcelEngine())

{

IApplication application = excelEngine.Excel;

application.DefaultVersion = ExcelVersion.Excel2016;

IWorkbook workbook = application.Workbooks.Open(“Sample.xlsx”, ExcelOpenType.Automatic);

IWorksheet sheet = workbook.Worksheets[0];

 

IChartShape chart = sheet.Charts.Add();

 

//Set the chart title

chart.ChartTitle = “Yearly Vehicle Sales”;

 

//Set chart type as box and whisker

chart.ChartType = ExcelChartType.BoxAndWhisker;

 

//Set data range in the worksheet

chart.DataRange = sheet[“A1:E17”];

 

//Box and whisker settings on first series

IChartSerie seriesA = chart.Series[0];

seriesA.SerieFormat.ShowInnerPoints = false;

seriesA.SerieFormat.ShowOutlierPoints = true;

seriesA.SerieFormat.ShowMeanMarkers = true;

seriesA.SerieFormat.ShowMeanLine = false;

seriesA.SerieFormat.QuartileCalculationType = ExcelQuartileCalculation.ExclusiveMedian;

 

//Box and whisker settings on second series  

IChartSerie seriesB = chart.Series[1];

seriesB.SerieFormat.ShowInnerPoints = false;

seriesB.SerieFormat.ShowOutlierPoints = true;

seriesB.SerieFormat.ShowMeanMarkers = true;

seriesB.SerieFormat.ShowMeanLine = false;

seriesB.SerieFormat.QuartileCalculationType = ExcelQuartileCalculation.InclusiveMedian;

 

//Box and whisker settings on third series  

IChartSerie seriesC = chart.Series[2];

seriesC.SerieFormat.ShowInnerPoints = false;

seriesC.SerieFormat.ShowOutlierPoints = true;

seriesC.SerieFormat.ShowMeanMarkers = true;

seriesC.SerieFormat.ShowMeanLine = false;

seriesC.SerieFormat.QuartileCalculationType = ExcelQuartileCalculation.ExclusiveMedian;

 

workbook.SaveAs(“Box and Whisker.xlsx”);

}

Tree map chart

A tree map chart provides a hierarchical view of data and makes it easy to spot patterns. The tree branches are represented by rectangles and each sub-branch is shown as a smaller rectangle. Here, the chart displays categories by color and proximity and can easily show lots of data that would be difficult to visualize with other chart types.

A complete sample that creates a tree map chart can be downloaded here.

The example charts the areas of different countries. This chart can be used to find the best item across various categories.