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Let’s Code! Handling validation in your Windows Store app (WinRT-XAML).

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0 comments   /   posted by Silverlight Show on Jul 04, 2014
Tags:   windows-store , winrt , jerry-nixon
Read original post at Jerry Nixon's Blog

Many Windows Store apps are content presenters; they require very little data entry and, consequently, very little data validation. But data validation is a core component to a business apps. Is there validation built into the platform? No.

In several XAML frameworks data validation was baked-in. DataAnnotation and ExceptionValidationRule for bindings in WPF. IDataErrorInfo, INotifyDataErrorInfo, and BindingValidationError for setter exceptions in Windows Phone, Silverlight, et al. But these are not an option for a Windows Runtime developer, especially the Universal App developer. And, as we will see in this article, they were never really enough anyway. But, we have options.


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