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Blazor UI Controls

Blazor UI Controls for Blazing Fast Web Apps

Use your existing C# programming skills on the server and client with UI components built natively for Blazor.

  • Includes FlexGrid, a high-performance datagrid with data virtualization
  • 50+ chart types and data visualization options
  • Essential input and layout controls fill the control gap
  • All controls are supported in Blazor Server and WebAssembly
  • Supports .NET Core 3.1, .NET 6 and .NET 8
Download Free Trial (2023 v3)


Blazor UI controls are reusable design elements that help developers implement a variety of features in their web applications in less time. ComponentOne provides a complete set of high-performing, flexible Blazor controls and components, including datagrids, charts, input, and more.

Why Choose ComponentOne for Your Blazor Applications?

Cross Platform

Reuse Code and Desktop Development Skills

Develop rich web applications using C# code on both the server and client-side. Our Blazor controls have similar APIs across platforms for simple code reuse.

Increase Productivity

Get the Best Performance with .NET 8

FlexGrid and our other components are developed natively for Blazor and target .NET 8 ensuring optimal performance for both WebAssembly and Blazor Server applications.

Input Search

Everything You Need for Editing Data

Use FlexGrid for tabular data editing or display input editors, such as AutoComplete and Combobox, on a pop-up window.

ComponentOne Dashboard

Build Custom Dashboards

Visualize, aggregate, and summarize large data sets with our collection of 50+ chart types–allowing you to build a custom dashboard seamlessly.

Loading Indicator

Efficiently Load and Display Large Data Sets

Our innovative DataCollection enables data virtualization when loading large data sets on-demand, where data is loaded in chunks as the user scrolls in real-time.

Nuget Packages

Manageable Distribution With NuGet Packages

Package management is effortless with ComponentOne NuGet packages, which are installed locally or found on

Blazor Demos

Blazor Control Explorer (WebAssembly)

Explore every ComponentOne Blazor component in a WebAssembly (client-side) application and see key features in action. Configure properties at run-time and view the underlying source for any sample.

View Demo

Flight Statistics Dashboard

See a real-world dashboard built using entirely with ComponentOne Blazor components. View flight statistics in a FlexGrid with row selection that drills down to visualize a specific area's data in FlexChart.

View Demo

FlexGrid Virtual Mode

With Virtual Mode, data is fetched on-demand as the user scrolls. DataCollection supports this data virtualization technique in FlexGrid.

View Demo

Blazor Control Explorer (Server)

Explore every ComponentOne Blazor component in a Blazor Server application and experience key features in action. Configure properties at run-time and view the underlying source for any sample.

View Demo

FlexGrid Editing Form

The ComponentOne Window component provides numerous ways to display pop-up information. This demo showcases the window and input components to enable pop-up editing forms for a datagrid.

View Demo

FlexChart Range Selector

With the RangeSelector component, you can enable scrolling between two charts to select a range. This type of feature is common in stock charts to see the overall trend and select a smaller range for deeper analysis.

View Demo

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.

Learn more about licensing

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. 

Contact Us to Learn More

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. 

Read the EULA

ComponentOne Customer Feedback and Awards

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"Prompt responses, quality feedback, and help with code examples. Fantastic service!"


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ComponentSource Award 2023 #2 Publisher ComponentSource Award 2024 Top 25 Product

"When I run into complex problems, I turn to my ComponentOne Studio Enterprise toolbox."


"I love to use C1 components! I can be confident that if I need to do a particular task, ComponentOne will have the control to do the job."



"As an ISV, I need tools that allow me to be competitive. Therefore, it's a must to use reliable and stable tools for customized solutions...ComponentOne provides all that to me and even more!"


"Easier to use right off the bat. I liked using the Scheduler for drag-and-drop capability."


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