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How to create Excel doughnut chart in C#, VB.NET?

This article explains how to create a doughnut chart in Excel using XlsIO.

 

What is doughnut chart?

 

Just like a pie chart, a doughnut chart shows the relationship of parts to a whole, but a doughnut chart can contain more than one data series. Each data series that you plot in a doughnut chart adds a ring to the chart. The first data series is displayed in the center of the chart.

 

C:\Users\kondurukeerthi.kondu\AppData\Local\Microsoft\Windows\INetCache\Content.Word\Doughnut_Chart.png

       Doughnut chart for single series created using XlsIO

To create a doughnut chart in Excel using XlsIO, you need to do the following steps.

 

Steps to create doughnut chart

 

  1. Initialize chart

 

Create a chart object by calling the worksheet.Charts.Add method and specify the chart type to ExcelChartType.Doughnut enum value.

 

 

 

 

 

  1. Assign data

 

Set a range of data from the worksheet to chart’s DataRange property. To plot the series values in column and categories in row, set chart’s IsSeriesInRows property to false.

 

 

  1. Apply basic chart elements

 

Add the basic elements like chart title, data labels and legend.

 

  • ChartTitle of chart object.
  • Set DataLabels via DefaultDataPoint.
  • Set TRUE to chart’s HasLegend property, to show the legend.

 

 

Applicable Properties of doughnut chart

 

Below is the list of other properties that is applicable for a doughnut chart.

 

1.  Percent (Doughnut Explosion)

2.  First Slice Angle

3.  DoughnutHoleSize

4.  IsVaryColor (All slices are represented with same color if IsVaryColor is FALSE)

 

NOTE: Applying properties apart from the mentioned list might throw exception or the changes will not be reflected in the output document because those properties are not related to doughnut chart.

 

Download Complete Sample

 

Download input file with data

 

To know more about creating charts with various settings using XlsIO, please refer the documentation.

 

The following C#/ VB.NET complete code snippet shows the creation of doughnut chart using XlsIO.

 

C#

 

 

VB

 

Article ID: Published Date: Last Revised Date: Platform: Control:
8398 02/14/2018 03/09/2018 Windows Forms XlsIO
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