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Binding.NotifyOnValidationError Property

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Gets or sets a value that indicates whether the BindingValidationError event is raised on validation errors.

Namespace:  System.Windows.Data
Assembly:  System.Windows (in System.Windows.dll)


Public Property NotifyOnValidationError As Boolean
public bool NotifyOnValidationError { get; set; }
<Binding NotifyOnValidationError="bool"/>

Property Value

Type: System.Boolean
true if the BindingValidationError event is raised; otherwise, false. The default is false.


Exception Condition

The Binding has already been attached to a target element, and cannot be modified.


NotifyOnValidationError controls whether or not the BindingValidationError event is raised. Silverlight supports exception validation only. For more information, see ValidatesOnExceptions.

Version Information


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0


For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.