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

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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

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