Chat Now

Cart My Downloads Free Trial

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, Blazor, ASP.NET Core (MVC & Razor Pages), ASP.NET Web Forms, MVC 5, WPF, our award-winning reporting platform and CodeRush for Visual Studio.

HIGHLIGHTED PRODUCT SUITES
Office & PDF File API (DOCx, XLSx, PPTx, PDF)Enterprise-ready file and document management APIs at an affordable price – with straightforward licensing terms.

WINDOWS DESKTOP CONTROLS
WinForms WPF VCL Desktop Reporting

ENTERPRISE & SERVER TOOLS
Office & PDF File API Business Intelligence Dashboard Report & Dashboard Server

MOBILE CONTROLS
.NET MAUI

ARTIFICIAL INTELLIGENCE
AI-powered Extensions

WEB CONTROLS
JS / TS – Angular, React, Vue, jQuery Blazor ASP.NET Core (MVC & Razor Pages)ASP.NET MVC 5 ASP.NET Web Forms 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 10 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 v25.2
Developer Express Inc is proud to announce the immediate availability of its newest release, DevExpress v25.2. Built and optimized for desktop, web, and mobile developers alike...

DevExpress Wins 20 Visual Studio Reader's Choice Awards
Like previous years, DevExpress dominated Visual Studio Magazine's 2025 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 Blazor/WinForms UI — Case Study by DataWerkes: Field Services Management Platform (TimeWerkes)

XAF Blazor/WinForms UI — Case Study by DataWerkes: Field Services Management Platform (TimeWerkes)

Meet DataWerkes ( an independent software vendor in Alberta, Canada) and Keith Courneyea (a founder), who has been using our Cross-Platform .NET App UI (XAF) since 2019. We recently published a case study about their flagship commercial product (TimeWerkes...

Dennis Garavsky (DevExpress)

1 June 2026

XPO - Important Changes to Default Query Parameter Validation (v20.1)

XPO - Important Changes to Default Query Parameter Validation (v20.1)

We softened default parameter validation with regard to SELECT, UPDATE, and INSERT statements in our v20.1.4 release. We introduced a new DevExpress.Xpo.DB.QueryParameterMode enumeration with the following values......

Dennis Garavsky (DevExpress)

21 May 2020

feedback v20.1 validation XPO

More Posts