FileExtensionsAttribute Class

Definition

Namespace:

System.ComponentModel.DataAnnotations

Assembly:

System.ComponentModel.Annotations.dll

Source:

FileExtensionsAttribute.cs

Validates file name extensions.

public ref class FileExtensionsAttribute sealed : System::ComponentModel::DataAnnotations::DataTypeAttribute

[System.AttributeUsage(System.AttributeTargets.Field | System.AttributeTargets.Parameter | System.AttributeTargets.Property, AllowMultiple=false)]
public sealed class FileExtensionsAttribute : System.ComponentModel.DataAnnotations.DataTypeAttribute

[<System.AttributeUsage(System.AttributeTargets.Field | System.AttributeTargets.Parameter | System.AttributeTargets.Property, AllowMultiple=false)>]
type FileExtensionsAttribute = class
    inherit DataTypeAttribute

Public NotInheritable Class FileExtensionsAttribute
Inherits DataTypeAttribute

Inheritance

Object

Attribute

ValidationAttribute

DataTypeAttribute

FileExtensionsAttribute

Attributes

AttributeUsageAttribute

Constructors

FileExtensionsAttribute()

Initializes a new instance of the FileExtensionsAttribute class.

Properties

CustomDataType	Gets the name of custom field template that is associated with the data field. (Inherited from DataTypeAttribute)
DataType	Gets the type that is associated with the data field. (Inherited from DataTypeAttribute)
DisplayFormat	Gets a data-field display format. (Inherited from DataTypeAttribute)
ErrorMessage	Gets or sets an error message to associate with a validation control if validation fails. (Inherited from ValidationAttribute)
ErrorMessageResourceName	Gets or sets the error message resource name to use in order to look up the ErrorMessageResourceType property value if validation fails. (Inherited from ValidationAttribute)
ErrorMessageResourceType	Gets or sets the resource type to use for error-message lookup if validation fails. (Inherited from ValidationAttribute)
ErrorMessageString	Gets the localized validation error message. (Inherited from ValidationAttribute)
Extensions	Gets or sets the file name extensions.
RequiresValidationContext	Gets a value that indicates whether the attribute requires validation context. (Inherited from ValidationAttribute)
TypeId	When implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute)

Methods

Equals(Object)	Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute)
FormatErrorMessage(String)	Applies formatting to an error message, based on the data field where the error occurred.
GetDataTypeName()	Returns the name of the type that is associated with the data field. (Inherited from DataTypeAttribute)
GetHashCode()	Returns the hash code for this instance. (Inherited from Attribute)
GetType()	Gets the Type of the current instance. (Inherited from Object)
GetValidationResult(Object, ValidationContext)	Checks whether the specified value is valid with respect to the current validation attribute. (Inherited from ValidationAttribute)
IsDefaultAttribute()	When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute)
IsValid(Object, ValidationContext)	Validates the specified value with respect to the current validation attribute. (Inherited from ValidationAttribute)
IsValid(Object)	Checks that the specified file name extension or extensions is valid.
Match(Object)	When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
ToString()	Returns a string that represents the current object. (Inherited from Object)
Validate(Object, String)	Validates the specified object. (Inherited from ValidationAttribute)
Validate(Object, ValidationContext)	Validates the specified object. (Inherited from ValidationAttribute)