Export (0) Print
Expand All

MaxLengthAttribute Class

.NET Framework 4.5

Specifies the maximum length of array or string data allowed in a property.

System.Object
  System.Attribute
    System.ComponentModel.DataAnnotations.ValidationAttribute
      System.ComponentModel.DataAnnotations.MaxLengthAttribute

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

[<AttributeUsageAttribute(AttributeTargets.Property|AttributeTargets.Field|AttributeTargets.Parameter, AllowMultiple = false)>]
type MaxLengthAttribute =  
    class 
        inherit ValidationAttribute 
    end

The MaxLengthAttribute type exposes the following members.

  NameDescription
Public methodMaxLengthAttribute()Initializes a new instance of the MaxLengthAttribute class.
Public methodMaxLengthAttribute(Int32)Initializes a new instance of the MaxLengthAttribute class based on the length parameter.
Top

  NameDescription
Public propertyErrorMessageGets or sets an error message to associate with a validation control if validation fails. (Inherited from ValidationAttribute.)
Public propertyErrorMessageResourceNameGets or sets the error message resource name to use in order to look up the ErrorMessageResourceType property value if validation fails. (Inherited from ValidationAttribute.)
Public propertyErrorMessageResourceTypeGets or sets the resource type to use for error-message lookup if validation fails. (Inherited from ValidationAttribute.)
Protected propertyErrorMessageStringGets the localized validation error message. (Inherited from ValidationAttribute.)
Public propertyLengthGets the maximum allowable length of the array or string data.
Public propertyRequiresValidationContextGets a value that indicates whether the attribute requires validation context. (Inherited from ValidationAttribute.)
Public propertyTypeIdWhen implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.)
Top

  NameDescription
Public methodEqualsInfrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodFormatErrorMessageApplies formatting to a specified error message. (Overrides ValidationAttribute.FormatErrorMessage(String).)
Public methodGetHashCodeReturns the hash code for this instance. (Inherited from Attribute.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodGetValidationResultChecks whether the specified value is valid with respect to the current validation attribute. (Inherited from ValidationAttribute.)
Public methodIsDefaultAttributeWhen overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute.)
Public methodIsValid(Object)Determines whether a specified object is valid. (Overrides ValidationAttribute.IsValid(Object).)
Protected methodIsValid(Object, ValidationContext)Validates the specified value with respect to the current validation attribute. (Inherited from ValidationAttribute.)
Public methodMatchWhen overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
Public methodValidate(Object, ValidationContext)Validates the specified object. (Inherited from ValidationAttribute.)
Public methodValidate(Object, String)Validates the specified object. (Inherited from ValidationAttribute.)
Top

  NameDescription
Explicit interface implemetationPrivate method_Attribute.GetIDsOfNamesMaps a set of names to a corresponding set of dispatch identifiers. (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.GetTypeInfoRetrieves the type information for an object, which can be used to get the type information for an interface. (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.GetTypeInfoCountRetrieves the number of type information interfaces that an object provides (either 0 or 1). (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.InvokeProvides access to properties and methods exposed by an object. (Inherited from Attribute.)
Top

.NET Framework

Supported in: 4.6, 4.5

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
Show:
© 2014 Microsoft