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Add Autofilter to Excel in C#, VB.NET

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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 Excel file programmatically:

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

Create Console appliation in Visual Studio

Create a new C# console application

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

Add XlsIO reference to the project

Install NuGet package

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


using Syncfusion.XlsIO;



Imports Syncfusion.XlsIO


Step 4: Use the following code snippet to create Excel file with simple text.


//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 =           
  IWorkbook workbook = application.Workbooks.Open(fileStream);
  //Access first worksheet from the workbook instance
  IWorksheet worksheet = workbook.Worksheets[0];
  //Creating an AutoFilter and Specifying the AutoFilter range.
 worksheet.AutoFilters.FilterRange = worksheet.Range["A1:B7"];
  //Save the workbook to disk in xlsx format



'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 = 
  Dim workbook As IWorkbook = application.Workbooks.Open(fileStream)
  'Access first worksheet from the workbook instance
  Dim worksheet As IWorksheet = workbook.Worksheets(0)
  'Creating an AutoFilter and Specifying the Autofilter range.
  worksheet.AutoFilters.FilterRange = worksheet.Range("A1:B7")
  'Save the workbook to disk in xlsx format
End Using


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

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

output Excel document

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 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 with code examples.

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


Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, include a license key in your projects. Refer the link to learn about generating and registering Syncfusion license key in your application to use the components without trail message.


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