400+ UI controls for cross-platform .NET development
HTML5/JavaScript controls with support for Angular, React, and Vue
Take total control of your documents with high-speed, intuitive document APIs
Full reporting solutions with extensive data visualization, viewers, and designers
Powerful spreadsheets for .NET, JavaScript, and COM
Check out the new features and enhancements to SpreadJS v19.2 and it's optional spreadsheet add-ons.Learn More »
Have a question or issue? Find out how we can help.
Read, watch, and learn about our products, team, and the latest trends.
Find out what's new in the latest versions of our products.
Programmatically Add Linked Pictures in Excel XLSX Using C# .NET and Java
Learn how to programmatically add linked pictures in Excel XLSX using C# .NET and Java.
13 Oct 2022
How to Choose the Best Third Party .NET Control Suite
Learn how to choose the best third-party .NET control suite for your desktop apps.
03 Oct 2022
Spreadsheet API Performance Tests in .NET 6 Applications
See the performance of the GCExcel spreadsheet API in .NET 6 applications compared with major competitors.
23 Sep 2022
How to Load Millions of Rows from JSON Data Sources in Your .NET App
Learn how to load millions of rows from JSON data sources in your .NET app.
22 Sep 2022
Introducing Windows 11 Themes for WPF Controls
Learn about new Windows 11 themes designed for WPF controls.
16 Sep 2022
Programmatically Get JSON in Excel XLSX Using C#, .NET and Java Document APIs
Learn how to programmatically populate JSON in Excel XLSX files using C# .NET, Java Document APIs.
Add Hierarchical Grouping with FlexGrid ASP.NET MVC TreeView Controls
Learn how to add hierarchical grouping to data in ASP.NET MVC applications with FlexGrid from ComponentOne.
12 Sep 2022
How to Add Runtime Customization Toolbars to Charts in WinForms Apps
Learn how to add runtime customization toolbars to charts in WinForms apps.
08 Sep 2022
Make Custom Calculations Programmatically Using CalculatedItem in Excel-Like Pivot Tables in C# .NET & Java
Learn how to make custom calculations programmatically using CalculatedItem in Excel-Like Pivot Tables in C# .NET & Java.
02 Sep 2022
Programmatically Add Form Controls to Excel Spreadsheets in .NET, C#, VB, Java
Learn how to programmatically add form controls to Excel spreadsheets in .NET, C#, VB, Java.
Spread.NET v15.3.20225.0 is Released
Learn about an important fix for .NET 4.6.2 Framework controls in our v15.3.20225.0 release. See more today.
ActiveReports.NET v16.2 Has Released
The newest release for ActiveReports.NET includes a number of exciting features and updates.
01 Sep 2022