How to set major unit for date values of an Excel chart in C#, VB.NET?

Syncfusion Excel (XlsIO) library is a .NET Excel library used to create, read, and edit Excel documents. Also, converts Excel documents to PDF files. This library also supports creating and modifying Excel charts.

This article explains how to set major unit for date values of an Excel chart axis.

C#

using (ExcelEngine excelEngine = new ExcelEngine())
{
    IApplication application = excelEngine.Excel;
    application.DefaultVersion = ExcelVersion.Xlsx;
 
    IWorkbook workbook = application.Workbooks.Open("../../Data/Combo_Chart.xlsx");
 
    IWorksheet worksheet = workbook.Worksheets[0];
    IChart chart = worksheet.Charts[0];
 
    chart.PrimaryCategoryAxis.MajorUnitScale = ExcelChartBaseUnit.Month;
    chart.PrimaryCategoryAxis.MajorUnit = 6;
 
    workbook.SaveAs("Output.xlsx");
    System.Diagnostics.Process.Start("Output.xlsx");
}

A complete working sample can be downloaded from SetMajorUnit.zip.

Please find the output screenshot below.

Set major unit for date values of an Excel chart

Take a moment to peruse the documentation, where you can find basic worksheet data manipulation options along with features like Conditional Formatting, worksheet calculations through Formulas, adding Charts in worksheet or workbook, organizing and analyzing data through Tables and Pivot Tables, appending multiple records to worksheet using Template Markers, and most importantly PDF and Image conversions etc. with code examples.

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

Conclusion

I hope you enjoyed learning about how Set major unit for date values of an Excel chart in WinForms.

You can refer to our WinForms XIsIO feature tour page to know about its other groundbreaking feature representations documentation

and how to quickly get started for configuration specifications.  You can also explore our WinForms XIsIO example
to understand how to create and manipulate data.

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