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How to create Excel line with markers chart in C#, VB.NET?

This article explains how to create a Line with markers chart in Excel using XlsIO.

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


Create Line Chart With Markers in Excel

       Line with markers chart created using XlsIO

What are Markers?


Markers are circles, squares, triangles, or other shapes which mark the data points. Excel displays a unique marker with different shape and/or color for each data series. XlsIO supports all the marker types present in Excel.


Steps to create Line with markers chart


  1. Initialize chart


Create a chart object by calling the worksheet.Charts.Add method and specify the chart type to ExcelChartType.Line_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, legend and datalabels.


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



Properties used to modify the markers in the line charts


Below is the list of properties that are used to change the markers in line charts.


1.            MarkerBackgroundColor (or) MarkerBackgroundColorIndex

2.            MarkerForegroundColor (or) MarkerForegroungColorIndex

3.            MarkerSize

4.            MarkerStyle

5.            IsAutoMarker


NOTE: As line charts don’t have any interior settings, applying fill properties in line chart series might throw exception.


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 Line with markers chart using XlsIO.







Article ID: Published Date: Last Revised Date: Platform: Control:
8359 01/30/2018 10/10/2018 Windows Forms XlsIO
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