MaxLengthAttribute.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

Source:: MaxLengthAttribute.cs

Source:: MaxLengthAttribute.cs

Source:: MaxLengthAttribute.cs

Important

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Determines whether a specified object 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 object to validate.

Returns

Boolean

true if the value is null, or if the value is less than or equal to the specified maximum length; otherwise, false.

Exceptions

InvalidOperationException

Length is zero or less than negative one.

Remarks

This method returns true if the value parameter is null.

Applies to