Show or hide Excel chart legend in C#, VB.NET

Syncfusion® Excel (XlsIO) library is a .NET Excel library used to create, read, and edit Excel documents. It also converts Excel documents to PDF files. Using this library, you can show or hide Excel chart legends in C# and VB.NET. The HasLegend property of the IChart interface is used to show or hide the Excel chart legend. By default, this property is set to true.

Steps to show or hide Excel chart legend, programmatically:

Step 1: Create a new C# console application project.

Create a new C# console application

Step 2: Install the Syncfusion.XlsIO.WinForms NuGet package as a reference to your .NET Framework application from NuGet.org.

Install NuGet package

Step 3: Include the following namespace in the Program.cs file.

C#

using Syncfusion.XlsIO;

VB.NET

Imports Syncfusion.XlsIO

Step 4: Use the following code snippet to show or hide Excel chart legends in C# and VB.NET.

C#

using (ExcelEngine excelEngine = new ExcelEngine())
{
    // Instantiate the application object
    IApplication application = excelEngine.Excel;
 
    // Open the workbook containing the chart
    IWorkbook workbook = application.Workbooks.Open("Sample.xlsx", ExcelOpenType.Automatic);
 
    // Access the first worksheet
    IWorksheet worksheet = workbook.Worksheets[0];
 
    // Access the first chart in the worksheet
    IChart chart = worksheet.Charts[0];
                
    // To hide the legend in the chart
    chart.HasLegend = false;
 
    // Save the file
    string fileName = "Output.xlsx";
    workbook.SaveAs(fileName);
 
    System.Diagnostics.Process.Start(Path.GetFullPath(fileName));
}

VB.NET

Using excelEngine As ExcelEngine = New ExcelEngine()
    'Instantiate the application object
    Dim application As IApplication = excelEngine.Excel
 
    'Open the workbook containing the chart
    Dim workbook As IWorkbook = application.Workbooks.Open("Sample.xlsx", ExcelOpenType.Automatic)
 
    'Access the first worksheet
    Dim sheet As IWorksheet = workbook.Worksheets(0)
 
    'Access the first chart in the worksheet
    Dim chart As IChart = sheet.Charts(0)
 
    'To hide the legend in the chart
    chart.HasLegend = False
 
    'Save the file
    Dim fileName As String = "Output.xlsx"
    workbook.SaveAs(fileName)
 
    System.Diagnostics.Process.Start(Path.GetFullPath(fileName))
End Using

A complete Windows Forms working example of how to copy Excel worksheet to another workbook in C# and VB can be downloaded from Show or hide Excel chart legend.zip.

Refer here to explore the rich set of Syncfusion® Excel (XlsIO) library features.

See Also:

How to make visible the grid lines of primary category axis in the chart?

How to add text box shape in Excel charts?

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

How to customize the items in the ChartLegend?

How to change the chart type?

How to change the color of series?

How to make the secondary axis visible in chart?

How to reverse Excel chart axis order in C#, VB.NET?

Take a moment to peruse the documentation where you can find basic Excel document processing options along with the features like import and export data, chart, formulas, conditional formatting, data validation, tables, pivot tables and protect the Excel documents, and most importantly, the PDF, CSV and Image conversions with code examples.

Conclusion

I hope you enjoyed learning about how to Show or hide Excel chart legend in C#, VB.NET.

You can refer to our XIsIO’s feature tour page to learn about its other groundbreaking features. Explore our UG documentation and online demos to understand how to manipulate data in Excel documents.

If you are an existing user, you can access our latest components from the License and Downloads page. For new users, you can try our 30-day free trial to check out XlsIO and other Syncfusion® components.

If you have any queries or require clarification, please let us know in the comments below or contact us through our support forums, Support Tickets, or feedback portal. We are always happy to assist you!