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How to create an Excel file in ASP.NET Web Forms?

Platform: ASP.NET Web Forms |
Control: XlsIO |
Published Date: July 12, 2016 |
Last Revised Date: September 28, 2018

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 ASP.NET Web Forms.


Steps to create an Excel file programmatically:


  1. Create a new ASP.NET Web application project.


Create ASP.NET Web Forms application in Visual Studio


  1. Install the Syncfusion.XlsIO.AspNet NuGet package as reference to your .NET Framework application from NuGet.org.


Add XlsIO reference to the project


  1. Add a new Web Form in ASP .NET project. Right click on the project and select Add > New Item and add a Web Form from the list. Name it as MainPage.


  1. Add a new button in the MainPage.aspx as shown below.



  1. Include the following namespace in your MainPage.aspx.cs file.




  1. Include the below code snippet in the click event of the button in MainPage.aspx.cs, to create an Excel file and download it.




A complete working example of how to create Excel file in ASP.NET can be downloaded from Create-Excel-file.zip

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


Create Excel File


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 a Excel file in Xamarin

Create a Excel file in ASP.NET Core

Create a Excel file in ASP.NET MVC

Create a Excel file in Windows Forms

Create a Excel file in WPF



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.


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