How to add Autofilter to Excel in C#, VB.NET in WinForms XlsIO?

Syncfusion® Excel (XlsIO) library is a .NET Excel library used to create, read, and edit Excel documents. Using this library, you can add AutoFilter to Excel in C# and VB.NET.

The AutoFilter allows a user to filter items in a list according to set criteria. You can filter text, numbers, or dates with AutoFilter.

Steps to add AutoFilter to an Excel file 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 applications from NuGet.org.

Install the 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 create an Excel file with simple text.

C#

// Create an instance of ExcelEngine
using (ExcelEngine excelEngine = new ExcelEngine())
{
  // Set the default application version as Excel 2016
  excelEngine.Excel.DefaultVersion = ExcelVersion.Excel2016;
 
  // Create a workbook with a worksheet
  // Open existing workbook with data entered
  Assembly assembly = typeof(Program).GetTypeInfo().Assembly;
 
  Stream fileStream =           
  assembly.GetManifestResourceStream("AutoFilters.AutoFilterTemplate.xlsx");
 
  IWorkbook workbook = application.Workbooks.Open(fileStream);
 
  // Access the first worksheet from the workbook instance
  IWorksheet worksheet = workbook.Worksheets[0];
 
  // Create an AutoFilter and Specify the AutoFilter range.
 worksheet.AutoFilters.FilterRange = worksheet.Range["A1:B7"];
 
  // Save the workbook to disk in xlsx format
  workbook.SaveAs("Output.xlsx");
}

VB.NET

'Create an instance of ExcelEngine
Using excelEngine As ExcelEngine = New ExcelEngine
 
  'Set the default application version as Excel 2016
  excelEngine.Excel.DefaultVersion = ExcelVersion.Excel2016
 
  'Open existing workbook with data entered
  Dim assembly As Assembly = GetType(Program).GetTypeInfo().Assembly
  Dim fileStream As Stream = 
  assembly.GetManifestResourceStream("AutoFilters.AutoFilterTemplate.xlsx")
  Dim workbook As IWorkbook = application.Workbooks.Open(fileStream)
 
  'Access the first worksheet from the workbook instance
  Dim worksheet As IWorksheet = workbook.Worksheets(0)
 
  'Create an AutoFilter and Specify the Autofilter range.
  worksheet.AutoFilters.FilterRange = worksheet.Range("A1:B7")
 
  'Save the workbook to disk in xlsx format
  workbook.SaveAs("Output.xlsx")
 
End Using

A complete working example of how to add AutoFilters to Excel in C#/VB.NET can be downloaded from Add AutoFilters.zip.

By executing the program, you will get the output Excel file as shown below.

Output Excel document

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 worksheets or workbooks, organizing and analyzing data through Tables and Pivot Tables, appending multiple records to a worksheet using Template Markers, and most importantly PDF and Image conversions with code examples.

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

Conclusion

I hope you enjoyed learning about how to add Autofilter to Excel in C#, VB.NET in WinForms XlsIO.

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!