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MaxLengthAttribute.IsValid Method (Object)

.NET Framework 4.6 and 4.5

Determines whether a specified object is valid.

Namespace:  System.ComponentModel.DataAnnotations
Assemblies:   System.ComponentModel.DataAnnotations (in System.ComponentModel.DataAnnotations.dll)
  System.ComponentModel.Annotations (in System.ComponentModel.Annotations.dll)

public override bool IsValid(
	Object value
)

Parameters

value
Type: System.Object

The object to validate.

Return Value

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

ExceptionCondition
[Sytem.InvalidOperationException]

Length is zero or less than negative one.

This method returns true if the value parameter is null.

.NET Framework

Supported in: 4.6, 4.5
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