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

This article explains how to create an Exploded Pie Chart in Excel using XlsIO.

What is an Exploded Pie Chart?

A simple pie chart with pie explosion can be considered as an exploded pie chart. You can change the pie explosion setting for either all slices or individual slice.

         Exploded Pie Chart created using XlsIO

To create an exploded pie chart in Excel using XlsIO, you need to do the following steps.

Steps to create Exploded Pie Chart

1. Initialize chart

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

2. 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.

3. Apply basic chart elements

Add the basic elements like chart title, data labels and legend with below list of properties.

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

Applicable properties for Exploded Pie Chart

Below is the list of other common properties applicable for exploded pie chart.

1.  Percent (Pie Explosion)

2.  First Slice Angle

NOTE:

1.  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 exploded pie chart.

2.  In XlsIO, the default pie explosion for an exploded pie chart is 25%.

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 exploded pie chart using XlsIO.

C#

VB