Wpf datatemplate binding not updating


18-Apr-2020 01:10

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Note The Update Source Trigger property deals with source updates and therefore is only relevant for Two Way or One Way To Source bindings.For Two Way and One Way To Source bindings to work, the source object needs to provide property change notifications. Data binding allows you to separate the concern of data from the concern of UI, and that results in a simpler conceptual model as well as better readability, testability, and maintainability of your app. Data binding is a way for your app's UI to display data, and optionally to stay in sync with that data.property in WPF is extremely handy, because it is automatically inherited by all children of the element where you assign it; therefore you don’t need to set it again on each element you want to bind.However, in some cases the is not accessible: it happens for elements that are not part of the visual or logical tree.Ultimately, you can choose to both observe and update, so that changes that the user makes to values in the UI are automatically pushed back into the data source.This mode is called Independent of mode, there are two kinds of binding, and they're both typically declared in UI markup.

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For more information, see the Update Source Trigger property page.This is a common issue, so I would suggest you go through these forum discussion, where several solutions are proposed: - Regards, Konstantina Telerik Check out Telerik Analytics, the service which allows developers to discover app usage patterns, analyze user data, log exceptions, solve problems and profile application performance at run time.Watch the videos and start improving your app based on facts, not hunches.Why is the selector not listing to the changes of the property in the datacontext?

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Hi Rob, The Data Template Selector doesn't get re-evaluated when a Property Changed notification is fired.

Binding Expression: Path=Show Price; Data Item=null; target element is ‘Data Grid Text Column’ (Hash Code=32685253); target property is ‘Visibility’ (type ‘Visibility’) But none of these workarounds seems to work, we always get the same result…