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MultiBinding.ValidatesOnDataErrors Property

Gets or sets a value that indicates whether to include the DataErrorValidationRule.

Namespace:  System.Windows.Data
Assembly:  PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

public bool ValidatesOnDataErrors { get; set; }
<object ValidatesOnDataErrors="bool" .../>

Property Value

Type: System.Boolean
true to include the DataErrorValidationRule; otherwise, false.

Setting this property provides an alternative to using the DataErrorValidationRule element explicitly. The DataErrorValidationRule is a built-in validation rule that checks for errors that are raised by the IDataErrorInfo implementation of the source object. If an error is raised, the binding engine creates a ValidationError with the error and adds it to the Validation.Errors collection of the bound element. The lack of an error clears this validation feedback, unless another rule raises a validation issue.

For more information about the validation process for MultiBinding objects, see the ValidationRules property.

ValidatesOnDataErrors is introduced in the .NET Framework version 3.5. For more information, see .NET Framework Versions and Dependencies.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5 SP1, 3.0 SP1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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