How to create stacked area chart in Word document using C#?

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Syncfusion Essential DocIO is a .NET Core Word library used to create, read, and edit Word documents programmatically without Microsoft Word or Interop dependencies. Using this library, you can create stacked area chart in Word document in C#.

What is stacked area chart?

Stacked area charts are useful to show the trend of the contribution of each value over time or other category data in 2-D format.

Stacked Area Chart in .NET Core Word library

Stacked Area chart in Word document

Steps to create stacked area chart in Word document:

Initialize chart.

Create a chart object by calling the paragraph.AppendChart(446,270) method and specify the chart type to the OfficeChartType.Area_Stacked enum value.

//Create and append the chart to the paragraph.
WChart chart = paragraph.AppendChart(446, 270);
//Set chart type.
chart.ChartType = OfficeChartType.Area_Stacked;

Assign data and chart elements.

Add the basic elements like the chart title and legend.

Assign data.
ChartTitle of the chart object.
Set TRUE to the chart’s HasLegend property to show the legend, else False.

//Set region of Chart data.
chart.DataRange = chart.ChartData[1, 1, 6, 4];
 
//Apply the chart elements.
//Set a chart title.
chart.ChartTitle = "Stacked Area Chart";
 
//Set legend.
chart.HasLegend = true;
chart.Legend.Position = OfficeLegendPosition.Bottom;

Applicable properties for stacked area chart

Common property applicable for stacked area chart is

IsVaryColor (This property holds good for single series chart).
Note:
Applying the properties apart from the mentioned list might throw an exception, or the changes will not be reflected in the output document because those properties are not related to area chart.

The following C# code sample shows the creation of a stacked area chart using the Word library.

//Create a new Word document.
using (WordDocument document = new WordDocument())
{
    //Add a section to the document.
    IWSection section = document.AddSection();
    //Add a paragraph to the section.
    IWParagraph paragraph = section.AddParagraph();
    //Create and append the chart to the paragraph.
    WChart chart = paragraph.AppendChart(446, 270);
    //Set chart type.
    chart.ChartType = OfficeChartType.Area_Stacked;
    //Set chart data.
    chart.ChartData.SetValue(1, 1, "Fruits");
    chart.ChartData.SetValue(2, 1, "Apples");
    chart.ChartData.SetValue(3, 1, "Grapes");
    chart.ChartData.SetValue(4, 1, "Bananas");
    chart.ChartData.SetValue(5, 1, "Oranges");
    chart.ChartData.SetValue(6, 1, "Melons");
    chart.ChartData.SetValue(1, 2, "Joey");
    chart.ChartData.SetValue(2, 2, 5);
    chart.ChartData.SetValue(3, 2, 4);
    chart.ChartData.SetValue(4, 2, 4);
    chart.ChartData.SetValue(5, 2, 2);
    chart.ChartData.SetValue(6, 2, 2);
    chart.ChartData.SetValue(1, 3, "Matthew");
    chart.ChartData.SetValue(2, 3, 3);
    chart.ChartData.SetValue(3, 3, 5);
    chart.ChartData.SetValue(4, 3, 4);
    chart.ChartData.SetValue(5, 3, 1);
    chart.ChartData.SetValue(6, 3, 7);
    chart.ChartData.SetValue(1, 4, "Peter");
    chart.ChartData.SetValue(2, 4, 2);
    chart.ChartData.SetValue(3, 4, 2);
    chart.ChartData.SetValue(4, 4, 3);
    chart.ChartData.SetValue(5, 4, 5);
    chart.ChartData.SetValue(6, 4, 6);
    //Set region of Chart data.
    chart.DataRange = chart.ChartData[1, 1, 6, 4];
    //Set chart series in the column for assigned data region.
    chart.IsSeriesInRows = false;
    //Set a Chart Title.
    chart.ChartTitle = "Stacked Area Chart";
    //Set legend.
    chart.HasLegend = true;
    chart.Legend.Position = OfficeLegendPosition.Bottom;
    //Create a file stream.
    using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"../../../Sample.docx"), FileMode.Create, FileAccess.ReadWrite))
    {
        //Save the Word document to the file stream.
        document.Save(outputFileStream, FormatType.Docx);
    }
}

A complete working sample of how to create stacked area chart in Word document in C# can be downloaded from GitHub.

Take a moment to peruse the documentation, where you can find basic Word document processing options along with the features like mail merge, merge and split documents, find and replace text in the Word document, protect the Word documents, and most importantly, the PDF and Image conversions with code examples.

Explore more about the rich set of Syncfusion Word Framework features and an online example to create a chart in a Word document.

How to create stacked area chart in Word document using C#?

What is stacked area chart?

Steps to create stacked area chart in Word document:

Applicable properties for stacked area chart

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