Chat Now

Products

Products

MULTI-PLATFORM PACKAGES
Universal SubscriptionOur Best Value – includes over 600 UI Controls, our award-winning reporting platform, DevExpress Dashboard, the eXpressApp Framework, CodeRush for Visual Studio and more.DXperience SubscriptionSave Hundreds – includes DevExpress UI Controls for WinForms, ASP.NET, MVC, WPF, our award-winning reporting platform and CodeRush for Visual Studio.

WINDOWS DESKTOP CONTROLS
WinForms WPF VCL Desktop Reporting

ENTERPRISE & SERVER TOOLS
Business Intelligence Dashboard Report & Dashboard Server Office File API (XLS, DOC, PDF)

MOBILE CONTROLS
.NET MAUI

ARTIFICIAL INTELLIGENCE
AI-powered Extensions

WEB CONTROLS
JS / TS – Angular, React, Vue, jQuery Blazor ASP.NET Core ASP.NET Web Forms ASP.NET MVC Bootstrap Web Forms Web Reporting

FRAMEWORKS & PRODUCTIVITY
XAF - Cross-Platform .NET App UI XPO – ORM Library (FREE).NET App Security & Web API Service (FREE)CodeRush for Visual Studio (FREE)

TESTING & QA
TestCafe Studio

What's New .NET 9 Support
Demos
Buy
Support & Docs

Support & Docs

SUPPORT CENTER
Search the KB My Questions Localization Version History Security - What You Need to Know Accessibility and Section 508 Support What's New in the Latest Version

LEARNING MATERIALS
Documentation Code Examples Demos Training

Need help or require more information?
Submit your support inquiries via the DevExpress Support Center for assistance.
Blogs
About Us

About Us

CONNECT WITH DEVEXPRESS
Blogs Events, Meetups and Tradeshows

LEARN MORE ABOUT DEVEXPRESS
About Us Careers / Job Opportunities News User Comments and Case Studies Our Awards MVP Program

Announcing DevExpress Universal v25.1
Developer Express Inc is proud to announce the immediate availability of its newest release, DevExpress v25.1. Built and optimized for desktop, web, and mobile developers alike...

DevExpress Wins 19 Visual Studio Reader's Choice Awards
Like previous years, DevExpress dominated Visual Studio Magazine's 2023 Readers Choice Awards. We thank all our loyal users for casting their vote on behalf of DevExpress.

Browse by Tags

Sorry, but there are no more tags available to filter with.

XAF - Validation Module Enhancements for Windows and the Web (Coming soon in v15.2)

In our upcoming release of the eXpressApp Framework, data validation occurs immediately after input focus changes when validation rule evaluation does not require querying additional data from the server. These rules are RuleRequiredField , RuleRegularExpression...

Dennis Garavsky (DevExpress)

24 November 2015

15.2 ASP.NET client-side desktop immediate Validation Web WinForms

Need help or require more information?

Announcing DevExpress Universal v25.1

DevExpress Wins 19 Visual Studio Reader's Choice Awards

Browse by Tags

Featured Posts

Popular Topics

Subscribe