How to create an Excel file in Windows Forms

Syncfusion Essential XlsIO is a .NET Excel library used to create, read, and edit Excel documents. Using this library, you can create an Excel document in Windows Forms.

Steps to create an Excel file programmatically:

1. Create a new Windows Forms application project.

2. Install Syncfusion.XlsIO.Base NuGet package as reference to your .NET Framework applications from the NuGet.org.

3. Include the following namespaces in the Form1.Designer.cs file.

4. Add a new button in Form1.Designer.cs to create Excel file as follows.

5. Add the following code in btnCreate_Click to create Excel file with simple text.

A complete working sample can be downloaded from Create-Excel-file.zip

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

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 Essential XlsIO features.

An online sample link to generate Excel file.

See Also:

Create an Excel file in WPF

Create an Excel file in ASP.NET Core

Create an Excel file in ASP.NET MVC

Create an Excel file in Xamarin

Note:

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 to link to learn about generating and registering Syncfusion license key in your application to use the components without trail message.