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

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This article explains how to create a stacked line with markers chart in Excel using Syncfusion Excel (XlsIO) library.

What is stacked line with markers chart?

A stacked line chart displays series as a set of points connected by a line. Values are represented on the y-axis and categories are displayed on the x-axis.

What are markers?

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

Create Stacked Line With Markers Chart in Excel

Stacked Line With Markers Chart

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

Steps to create stacked line with markers chart:

Step 1: Initialize chart

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

            //Create the chart
            IChartShape chart = worksheet.Charts.Add();
 
            //Set chart type to Line_Markers_Stacked
            chart.ChartType = ExcelChartType.Line_Markers_Stacked;

Step 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.

            //Set region of Chart data
            chart.DataRange = worksheet["A1:D6"];
 
            //Set chart series in column for assigned data region
            chart.IsSeriesInRows = false;

Step 3: Apply basic chart elements

Add the basic elements like chart title, legend and datalables.

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

              //Apply chart elements
              //Set Chart Title
              chart.ChartTitle = "Stacked Line With Markers Chart";
                
              //Set Datalabels
              IChartSerie serie1 = chart.Series[0];
              serie1.DataPoints.DefaultDataPoint.DataLabels.IsValue = true;
              serie1.DataPoints.DefaultDataPoint.DataLabels.Position = ExcelDataLabelPosition.Left;
 
              //Set Legend
              chart.HasLegend = true;
              chart.Legend.Position = ExcelLegendPosition.Bottom;

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.

MarkerBackgroundColor (or) MarkerBackgroundColorIndex
MarkerForegroundColor (or) MarkerForegroundColorIndex
MarkerSize
MarkerStyle
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 Syncfusion Excel (XlsIO) library, please refer the documentation.

The following C#/ VB.NET complete code snippet shows the creation of stacked line with markers chart using XlsIO.

using Syncfusion.XlsIO;
using System.Reflection;
using System.IO;
 
namespace ChartSample
{
    class Program
    {
        static void Main(string[] args)
        {
            using (ExcelEngine excelEngine = new ExcelEngine())
            {
                IApplication application = excelEngine.Excel;
                application.DefaultVersion = ExcelVersion.Excel2016;
 
                //Open existing workbook with data entered
                Assembly assembly = typeof(Program).GetTypeInfo().Assembly;
                Stream fileStream = assembly.GetManifestResourceStream("ChartSample.InputTemplate.xlsx");
                IWorkbook workbook = application.Workbooks.Open(fileStream);
                IWorksheet worksheet = workbook.Worksheets[0];
 
                //Initialize chart
                IChartShape chart = worksheet.Charts.Add();
                chart.ChartType = ExcelChartType.Line_Markers_Stacked;
 
                //Assign data
                chart.DataRange = worksheet["A1:D6"];
                chart.IsSeriesInRows = false;
 
                //Apply chart elements
                //Set Chart Title
                chart.ChartTitle = "Stacked Line With Markers Chart";
 
                //Set Legend
                chart.HasLegend = true;
                chart.Legend.Position = ExcelLegendPosition.Bottom;
 
                //Set Datalabels
                IChartSerie serie1 = chart.Series[0];
                IChartSerie serie2 = chart.Series[1];
                IChartSerie serie3 = chart.Series[2];
 
                serie1.DataPoints.DefaultDataPoint.DataLabels.IsValue = true;
                serie2.DataPoints.DefaultDataPoint.DataLabels.IsValue = true;
                serie3.DataPoints.DefaultDataPoint.DataLabels.IsValue = true;
                serie1.DataPoints.DefaultDataPoint.DataLabels.Position = ExcelDataLabelPosition.Left;
                serie2.DataPoints.DefaultDataPoint.DataLabels.Position = ExcelDataLabelPosition.Left;
                serie3.DataPoints.DefaultDataPoint.DataLabels.Position = ExcelDataLabelPosition.Left;
 
                //Positioning the chart in the worksheet
                chart.TopRow = 8;
                chart.LeftColumn = 1;
                chart.BottomRow = 23;
                chart.RightColumn = 8;
 
                //Saving and closing the workbook
                Stream stream = File.Create("Output.xlsx");
                workbook.SaveAs(stream);
                workbook.Close();
            }
        }
    }
}

VB.NET

Imports Syncfusion.XlsIO
Imports System.Reflection
Imports System.IO
 
Namespace ChartSample
 
    Class Program
 
        Public Shared Sub Main(ByVal args As String())
            Using excelEngine As ExcelEngine = New ExcelEngine()
                Dim application As IApplication = excelEngine.Excel
                application.DefaultVersion = ExcelVersion.Excel2016
 
 
                'Open existing workbook with data entered
                Dim assembly As Assembly = GetType(Program).GetTypeInfo().Assembly
                Dim fileStream As Stream = assembly.GetManifestResourceStream("ChartSample.InputTemplate.xlsx")
                Dim workbook As IWorkbook = application.Workbooks.Open(fileStream)
                Dim worksheet As IWorksheet = workbook.Worksheets(0)
 
                'Initialize chart
                Dim chart As IChartShape = worksheet.Charts.Add()
                chart.ChartType = ExcelChartType.Line_Markers_Stacked
 
                'Assign data
                chart.DataRange = worksheet("A1:D6")
                chart.IsSeriesInRows = False
 
                'Apply chart elements
                'Set Chart Title
                chart.ChartTitle = "Stacked Line With Markers Chart"
 
                'Set Legend
                chart.HasLegend = True
                chart.Legend.Position = ExcelLegendPosition.Bottom
 
                'Set Datalabels
                Dim serie1 As IChartSerie = chart.Series(0)
                Dim serie2 As IChartSerie = chart.Series(1)
                Dim serie3 As IChartSerie = chart.Series(2)
                serie1.DataPoints.DefaultDataPoint.DataLabels.IsValue = True
                serie2.DataPoints.DefaultDataPoint.DataLabels.IsValue = True
                serie3.DataPoints.DefaultDataPoint.DataLabels.IsValue = True
                serie1.DataPoints.DefaultDataPoint.DataLabels.Position = ExcelDataLabelPosition.Left
                serie2.DataPoints.DefaultDataPoint.DataLabels.Position = ExcelDataLabelPosition.Left
                serie3.DataPoints.DefaultDataPoint.DataLabels.Position = ExcelDataLabelPosition.Left
 
                'Positioning chart in the worksheet
                chart.TopRow = 8
                chart.LeftColumn = 1
                chart.BottomRow = 23
                chart.RightColumn = 8
 
                'Saving and closing the workbook
                Dim stream As Stream = File.Create("Output.xlsx")
                workbook.SaveAs(stream)
                workbook.Close()
            End Using
        End Sub
    End Class
End Namespace

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