A Powerful Suite of C# .NET UI Controls
Complete your .NET applications faster and with more features using our trusted toolkit of .NET controls.
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Expand your toolbox with access to 400+ .NET UI controls.
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Enhance your application UI with powerful datagrids, charts, report viewers and more.
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Accelerate your dev cycle with easy-to-use designers and hundreds of samples.
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Write less C# .NET code with production-ready UI features, Web APIs and data source connectors.
The 2024 v1 release is here!
Discover what's new.
Overview
.NET UI controls are reusable design elements that help developers implement a wide variety of software features in less time. ComponentOne is a complete suite of fast, flexible and feature-rich C# .NET and VB.NET UI components including datagrids, charts, input, reporting, layout and more.
Why Choose ComponentOne .NET Controls?
400+ .NET UI Controls
Complete your toolbox with hundreds of more advanced .NET UI controls and data management components for desktop, web and mobile applications.
Quick and Easy-to-Use
Our C# .NET UI controls speed up development time with easy-to-use designers, more built-in features, time-saving samples, and rich, flexible APIs.
The Best .NET Datagrid
Get FlexGrid, the industry's longest supported and most trusted WinForms datagrid. Now supported across every .NET platform.
Trust Our 20+ Years of Experience
Though sold under different companies, ComponentOne controls have been developed since .NET 1.0 and trusted by over 250,000 developers.
.NET 8 and NuGet Support
Build apps that target the latest version of .NET with seamless Visual Studio 2022 integration and NuGet package distribution for easy maintenance.
Royalty-Free, Unlimited Distribution
Our simple licensing model makes distribution and deployment a breeze because the components never expire.
First-Class Support
Let us help you accomplish your .NET project goals. Get timely responses to your technical issues from our dedicated support team.
JavaScript UI Wijmo Controls
ComponentOne Studio Enterprise includes access to Wijmo, 100+ JavaScript UI controls with Angular, React and Vue support.
Popular Cross-Platform .NET Controls
Our popular “Flex” controls are supported across WinForms, WPF, UWP, ASP.NET Core and Blazor.
Explore All .NET Platforms and Editions
For development platforms new and old, ComponentOne has you covered.
Data Services
What's New in ComponentOne 2024 v1
Our first major release for 2024 is now available! Release highlights:
- Microsoft Office 365 Themes for WinForms (beta)
- FlexGrid for WinForms transposed view
- Configure TreeGrid views for WPF, WinUI, Blazor and .NET MAUI
- View documents and reports in Blazor with our new FlexViewer for Blazor
- FlexGrid for Blazor enhancements
- New FlexChart for .NET MAUI
First Class Support - Let Us Help You
We’re here to help you achieve your .NET project goals, big or small.
24-Hour Response Time
Get timely responses to your technical questions from our support team within 24-hours with Platinum Support.
Full Access to Online Resources
Access our online resources at any time including documentation, videos and samples.
Six Updates Per Year
With six updates per year (2 major and 4 maintenance releases), rest assured you won’t wait as long for addressed issues to be fixed.
Enterprise Support
Got a large team or urgent requirements? Ask about our new Enterprise Support option for the most complete support coverage.
Search Our Knowledge Base
Our all-in-one search tool provides results across all online resources plus our community forums, knowledgebase and blogs.
Online Ticket System
Submit technical questions or issues quickly and easily through our online support ticket system.
Easy Licensing and Distribution
Manage your licenses through your MESCIUS account.
Licensing FAQ
ComponentOne is licensed per developer. Once you purchase a license, you can build and publish your .NET applications using ComponentOne controls. Licensing is perpetual and royalty-free.
Become an OEM Partner
To create your own commercially licensed SDK or web application builder, choose the Commercial OEM license. Commercial OEM and SaaS licenses are customized per customer.
End-User Licensing Agreement
Our End-User License Agreement (EULA) includes information on ComponentOne's licensing, legal agreement, and the terms and conditions that govern software usage.
Featured Blogs, Videos, and Other Resources
ComponentOne Customer Feedback and Awards
"Prompt responses, quality feedback, and help with code examples. Fantastic service!"
RICHARD HERBERT
"Excellent product with good support"
MIKE WEBSTER
"I am very appreciative of the effort your entire team gave to make this transaction happen. Thank you for your efforts!"
SAM COLE