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ValidationAttribute Constructor (Func<String>)

Initializes a new instance of the ValidationAttribute class by using the function that enables access to validation resources.

Namespace:  System.ComponentModel.DataAnnotations
Assembly:  System.ComponentModel.DataAnnotations (in System.ComponentModel.DataAnnotations.dll)
protected ValidationAttribute(
	Func<string> errorMessageAccessor


Type: System.Func<String>

The function that enables access to validation resources.


errorMessageAccessor is null.

This constructor provides a resource accessor function that is used by the ErrorMessageString property to retrieve an error message.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5 SP1

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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