• Article

RegularExpressionAttribute.FormatErrorMessage Method

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

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)

Syntax

'Declaration
Public Overrides Function FormatErrorMessage ( _
    name As String _
) As String

public override string FormatErrorMessage(
    string name
)

Parameters

  • name
    Type: System.String
    The name to include in the formatted string.

Return Value

Type: System.String
The formatted error message.

Exceptions

Exception Condition
ArgumentException

Pattern does not contain a valid regular expression.
InvalidOperationException

Pattern is nulla null reference (Nothing in Visual Basic) or an empty string ("").

Version Information

Silverlight

Supported in: 5, 4, 3

Platforms

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