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Set freeze panes in Excel document in C#, VB.NET

Platform: WinForms |
Control: XlsIO

Syncfusion Excel (XlsIO) library is a .NET Excel library used to create, read, and edit Excel documents. Also, converts Excel documents to PDF files. Using this library, you can set freeze panes in Excel document.

How to set freeze panes in Excel?

Rows and columns in an Excel document can be frozen by using the FreezePanes() method of IRange interface. To freeze the rows or columns you need to call FreezePanes() for the range next to the row or column.

For example, if you wish to freeze the first row in Excel sheet, you need to select the range A2. If you select the range B2, then the first row and first column will be frozen in the worksheet. So, you need to select the range next to the range that needs to be frozen.

Steps to set freeze panes in Excel, programmatically:

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

Create a new C# console application project

Create a new C# console application project

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

Install NuGet package to the project

Install NuGet package to the project

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


using Syncfusion.XlsIO;



Imports Syncfusion.XlsIO


Step 4: Include the following code snippet in main method of Program.cs file to set freeze panes.


using (ExcelEngine excelEngine = new ExcelEngine())
    //Instantiate the excel application object
    IApplication application = excelEngine.Excel;
    //Create a new Excel workbook
    IWorkbook workbook = application.Workbooks.Create(1);
    //Get the first worksheet of workbook into IWorksheet
    IWorksheet worksheet = workbook.Worksheets[0];
    //Add data in the worksheet
    worksheet["A1"].Text = "Id";
    worksheet["B1"].Text = "Name";
    worksheet["C1"].Text = "Age";
    worksheet["A2"].Number = 1;
    worksheet["B2"].Text = "Andy Bernard";
    worksheet["C2"].Number = 25;
    worksheet["A3"].Number = 2;
    worksheet["B3"].Text = "Jim Halpert";
    worksheet["C3"].Number = 23;
    worksheet["A4"].Number = 3;
    worksheet["B4"].Text = "Stanley Hudson";
    worksheet["C4"].Number = 22;
    worksheet.Range["A5"].Number = 4;
    worksheet.Range["B5"].Text = "Karen Fillippelli";
    worksheet.Range["C5"].Number = 24;
    worksheet.Range["A6"].Number = 5;
    worksheet.Range["B6"].Text = "Phyllis Lapin";
    worksheet.Range["C6"].Number = 27;
    //Autofit the coulmns in used range
    //Apply freeze panes
    //Save the Excel document



Using excelEngine As ExcelEngine = New ExcelEngine()
    'Instantiate the excel application object
    Dim application As IApplication = excelEngine.Excel
    'Create a new Excel workbook
    Dim workbook As IWorkbook = application.Workbooks.Create(1)
    'Get the first worksheet of workbook into IWorksheet
    Dim worksheet As IWorksheet = workbook.Worksheets(0)
    'Add data in the worksheet
    worksheet("A1").Text = "Id"
    worksheet("B1").Text = "Name"
    worksheet("C1").Text = "Age"
    worksheet("A2").Number = 1
    worksheet("B2").Text = "Andy Bernard"
    worksheet("C2").Number = 25
    worksheet("A3").Number = 2
    worksheet("B3").Text = "Jim Halpert"
    worksheet("C3").Number = 23
    worksheet("A4").Number = 3
    worksheet("B4").Text = "Stanley Hudson"
    worksheet("C4").Number = 22
    worksheet.Range("A5").Number = 4
    worksheet.Range("B5").Text = "Karen Fillippelli"
    worksheet.Range("C5").Number = 24
    worksheet.Range("A6").Number = 5
    worksheet.Range("B6").Text = "Phyllis Lapin"
    worksheet.Range("C6").Number = 27
    'Autofit the coulmns in used range
    'Apply freeze panes
    'Save the Excel document
End Using


A complete working sample of how to set freeze panes in Excel document can be downloaded from Freeze-Panes.zip.

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

Set freeze panes in Excel document

Output Excel document

Take a moment to peruse the documentation, where you will find other options like move or copy a worksheet, show or hide worksheet and worksheet tabs, page setup settings and more with code examples.

See Also:

Keep the headers visible while scrolling through data

Click 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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