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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
Assemblies:   System.ComponentModel.DataAnnotations (in System.ComponentModel.DataAnnotations.dll)
  System.ComponentModel.Annotations (in System.ComponentModel.Annotations.dll)

public virtual string FormatErrorMessage(
	string 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: 4.6, 4.5, 4, 3.5 SP1

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library
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