CreditCardAttribute.IsValid(Object) Method

Reference

Definition

Namespace:: System.ComponentModel.DataAnnotations

Assemblies:: System.ComponentModel.Annotations.dll, System.ComponentModel.DataAnnotations.dll

Assembly:: System.ComponentModel.Annotations.dll

Assembly:: System.ComponentModel.DataAnnotations.dll

Package:: System.ComponentModel.Annotations v5.0.0

Source:: CreditCardAttribute.cs

Source:: CreditCardAttribute.cs

Source:: CreditCardAttribute.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Determines whether the specified credit card number is valid.

public:
 override bool IsValid(System::Object ^ value);

public override bool IsValid (object value);

public override bool IsValid (object? value);

override this.IsValid : obj -> bool

Public Overrides Function IsValid (value As Object) As Boolean

Parameters

value: Object

The value to validate.

Returns

Boolean

true if the credit card number is valid; otherwise, false.

Remarks

The value is validated using a string processing algorithm. The class does not validate that the credit card number is valid for purchases, only that it is well formed.

Applies to

Jaa