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ValidationAttribute.FormatErrorMessage Method

Applies formatting to an error message, based on the data field where the error occurred.

Namespace:  System.ComponentModel.DataAnnotations
Assembly:  System.ComponentModel.DataAnnotations (in System.ComponentModel.DataAnnotations.dll)

abstract FormatErrorMessage : 
        name:string -> string  
override FormatErrorMessage : 
        name:string -> string

Parameters

name
Type: System.String

The name to include in the formatted message.

Return Value

Type: System.String
An instance of the formatted error message.

This method formats an error message by using the ErrorMessageString property. This method appends the name of the data field that triggered the error to the formatted error message. You can customize how the error message is formatted by creating a derived class that overrides this method.

.NET Framework

Supported in: 4.5.2, 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 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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