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

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

 

What is a scatter chart?

 

A scatter chart is used to compare at least two sets of values or pairs of data. The plotted values are represented with a marker point.

 

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

       Scatter chart created using XlsIO

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

 

Steps to create scatter chart

 

  1. Initialize chart

 

Create a chart object by calling the worksheet.Charts.Add method and specify the chart type to ExcelChartType.Scatter_Markers 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. Else FALSE.

 

 

Applicable properties for scatter chart

 

Below is the list of properties that is used for scatter chart

 

1.  MarkerBackgroundColor (or) MarkerBackgroundColorIndex

2.  MarkerForegroundColor (or) MarkerForegroundColorIndex

3.  MarkerSize

4.  MarkerStyle

5.  IsAutoMarker

6.  IsVaryColor

 

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

 

C#

 

 

VB

 

Article ID: Published Date: Last Revised Date: Platform: Control:
8418 02/14/2018 03/09/2018 Windows Forms XlsIO
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