Progress Telerik UI for ASP.NET AJAX R3 SP1

Progress Telerik UI for ASP.NET AJAX R3 SP1, developed by Progress Software Corporation, is a comprehensive suite of professional UI controls for building modern, high-performance ASP.NET Web Forms applications. It delivers rich, responsive, and accessible user experiences with minimal custom code, integrating seamlessly into Visual Studio and existing Web Forms projects.

Key capabilities:

• Extensive control library, including Grid, Scheduler, Charting, Editor, TreeView, ListView, Menu, Upload, Gantt, Spreadsheet, PivotGrid, Map, and more
• Built-in AJAX functionality (RadAjax) to minimize full page postbacks and improve responsiveness
• Powerful data operations: sorting, filtering, grouping, paging, virtualization, and export to Excel, CSV, and PDF
• Modern rendering, responsive and adaptive layouts, touch support, and mobile-friendly behavior
• Accessibility support aligned with WCAG and ARIA standards, plus keyboard navigation
• Globalization and localization, including RTL support and resource-based translations
• Theming with a wide range of built-in skins (including Material and Bootstrap) and tools for custom themes
• Strong server-side and client-side APIs for flexible customization and integration
• Robust documentation, live demos, and enterprise-grade technical support

What’s in R3 SP1:

• A service pack focused on stability, performance, and quality improvements across the control suite
• Fixes for issues reported after the R3 release, plus refinements for accessibility and usability
• Compatibility updates for the latest browsers, development tools, and platform environments

Telerik UI for ASP.NET AJAX R3 SP1 is ideal for teams maintaining or enhancing Web Forms applications that need a modern look, smooth interactivity, and enterprise reliability without a full framework rewrite.

Progress Telerik UI for ASP.NET AJAX R3 SP1 is developed by Progress Software Corporation. The most popular versions of this product among our users are: 19.3, 20.3, 21.3 and 22.3.