ValidationAttribute Constructors

Definition

Namespace:

System.ComponentModel.DataAnnotations

Assembly:

System.ComponentModel.Annotations.dll

Initializes a new instance of the ValidationAttribute class.

Overloads

ValidationAttribute()	Initializes a new instance of the ValidationAttribute class.
ValidationAttribute(Func<String>)	Initializes a new instance of the ValidationAttribute class by using the function that enables access to validation resources.
ValidationAttribute(String)	Initializes a new instance of the ValidationAttribute class by using the error message to associate with a validation control.

ValidationAttribute()

Source:

ValidationAttribute.cs

Initializes a new instance of the ValidationAttribute class.

protected:
 ValidationAttribute();

protected ValidationAttribute ();

Protected Sub New ()

Remarks

This constructor chooses a generic validation error message. If you subclass ValidationAttribute, use other constructors or supply a better message.

ValidationAttribute(Func<String>)

Source:

ValidationAttribute.cs

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

protected:
 ValidationAttribute(Func<System::String ^> ^ errorMessageAccessor);

protected ValidationAttribute (Func<string> errorMessageAccessor);

new System.ComponentModel.DataAnnotations.ValidationAttribute : Func<string> -> System.ComponentModel.DataAnnotations.ValidationAttribute

Protected Sub New (errorMessageAccessor As Func(Of String))

Parameters

errorMessageAccessor

Func<String>

The function that enables access to validation resources.

Exceptions

ArgumentNullException

errorMessageAccessor is null.

Remarks

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

ValidationAttribute(String)

Source:

ValidationAttribute.cs

Initializes a new instance of the ValidationAttribute class by using the error message to associate with a validation control.

protected:
 ValidationAttribute(System::String ^ errorMessage);

protected ValidationAttribute (string errorMessage);

new System.ComponentModel.DataAnnotations.ValidationAttribute : string -> System.ComponentModel.DataAnnotations.ValidationAttribute

Protected Sub New (errorMessage As String)

Parameters

errorMessage

String

The error message to associate with a validation control.