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Telerik UI for ASP.NET AJAX

Build Web Forms apps for any browser and device in half the time

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Telerik Earns Multiple TrustRadius Best of Development 2021 awards

Telerik has won Best Feature Set and Best Customer Support.


Telerik UI Earns TrustRadius' 2021 Top Rated Award

Progress Telerik UI has earned TrustRadius’ Top Rated Award for Software Components and .NET Development.


120+ ASP.NET AJAX Controls

Telerik UI for ASP.NET AJAX Components Key Features

Complete set of feature-rich components

Take advantage of the rich set of over a 120+ full-featured ASP.NET AJAX components, from simple menus to sophisticated data grids, that can be quickly tailored to your unique app requirements.

Save months of UI development with the powerful Telerik Grid

Develop data-driven web apps with unbeatable performance thanks to the most advanced ASP.NET Grid component with a full set of features.

21 Built-in, Yet Customizable Themes

Ensure a consistent look & feel across your ASP.NET Web Form apps with professionally styled built-in themes and create or customize new ones using the Telerik SAAS Theme Builder

Comprehensive Documentation, KB Articles & Technical Trainings

Quickly find answers to your technical questions in the extensive docs & demos, KB articles and answer-rich discussion forums.

Outstanding Support from the Minds Behind the Product

Work in comfort knowing you have a trusted partner in the face of Telerik’s outstanding technical support team.

All Built-In for You and Ready for Use

Enjoy the multiple built-in benefits and additional libraries such as: globalization & localization accessibility, keyboard support, RTL as well as document processing.


Explore our 120+ ASP.NET AJAX UI Components

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Be Ready for Any Project & Technology

Save up to 50% in development time by getting 1,250+ .NET and JavaScript UI components for building web, desktop and mobile apps.

Get the Best Value for Money

Enjoy Telerik UI for ASP.NET AJAX along with embedded reporting and mocking tools while saving up to 90% from the upgrade price.

Support and Learning


Review of Telerik toolsets for ASP.NET Web Forms and Core

This guide aims to assist developers in familiarizing quickly with the overall idea of ASP.NET Web Forms and ASP.NET Core and what Telerik has to offer for both technologies. It also provides couple of fundamental steps for customers who’ve decided to create a new application based on ASP.NET Core, or modernize their existing Web Forms App by switching to a Core App.

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First Look & Overview of Web Live Preview by Telerik UI for ASP.NET AJAX

Are you ready to find out what’s cooking on the ASP.NET Web Forms scene and how it will impact the web development in Visual Studio 2019 and beyond, and particularly the Telerik UI for ASP.NET AJAX suite? If you are curious to learn, check out this blog post.


Control.Controls Property | Telerik UI ASP.NET AJAX

This video will show you how to use the Control.Controls collection for ASP.NET Web Forms, to traverse down the Object tree in order to locate child controls. For more information on the topic covered in this video, please visit this page.

What's New with
Telerik UI for ASP.NET AJAX Components

New component in UI for AJAX: Stepper

New UI for ASP.NET AJAX Component: Stepper

Telerik UI for ASP.NET AJAX now features a new Stepper component.

Dark Theme in ASP.NET AJAX

New Dark Theme Available in UI for ASP.NET AJAX Docs & Demos

Improved accessibility with new dark theme.

DataViz Improvements

DataViz Improvements

New data visualization features.

Industry-Leading Support

Expert and Timely Response

Get answers to any questions you have, even during your trial, directly from the developers who build Telerik UI for ASP.NET AJAX.

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Need Evaluation Help?

If you are not a developer or don't have time to thoroughly evaluate our product, send us your project requirements. We will evaluate your required features for you and let you know how our controls fit your needs.

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Next Steps

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See the UI for ASP.NET AJAX in action and check how much they can do out of the box.

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Try Progress Telerik UI for ASP.NET AJAX with dedicated technical support.