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Announcing DevExpress Universal v19.1
Developer Express Inc is proud to announce the immediate availability of its newest release, DevExpress v18.2. Built and optimized for desktop, web, and mobile developers alike...

DevExpress Wins 19 Visual Studio Reader's Choice Awards
With 40 categories and over 400 products to choose from, DevExpress is honored to have been voted best in class 19 times in this year's Visual Studio Magazine Reader's Choice Awards...

XAF Team (DevExpress)

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

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 (DevExpress)

24 November 2015

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

8 comment(s)

XAF: Soft Validation (What’s New in 13.2)

XAF: Soft Validation (What’s New in 13.2)

Our next major release (13.2), updates our Validation Module with more features that come with different behavior rules, such as Warnings and Information. These can be applied to your existing validation rules using code or the Model Editor . The XAF...

Apostolis Bekiaris (DevExpress)

28 November 2013

13.2 Warnings XAF Validation

6 comment(s)

UI Annotation using Business Rules

UI Annotation using Business Rules

XAF contains several kinds of modules, one of which is a Validation Module. Validation can be applied to the content of XAF objects when specific rules are applied to the Validation Module . In this post you can find a sample XAF application which extends...

Apostolis Bekiaris (DevExpress)

1 May 2013

XAF Validation

13 comment(s)

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