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How to set trendlines for Excel chart series in C#, VB.NET?

This article explains how to set trendlines for chart series using XlsIO.

How to set trendlines for chart series?

A trendline is always associated with a data series, but a trendline does not represent the data of that data series. Instead, a trendline is used to depict trends in your existing data or forecasts of future data.

Methods to add trendline for the chart series

Overloaded Method 1: Adding the trendline with no parameters. Default, trendline type is linear.

 

Overloaded Method 2: Adding the trendline with passing ExcelTrendlineType parameter.

 

To format the trendlines please refer the IChartTrendline trendline properties link.

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 how to set trendline for chart series using XlsIO.

 

C#

 

VB

 

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

  Polynomial trendline with order 3 set to chart series using XlsIO

Article ID: Published Date: Last Revised Date: Platform: Control:
8598 03/15/2018 03/15/2018 WinForms XlsIO
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