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class System.ComponentModel.DataAnnotations.CustomValidationAttribute
Assembly: System.ComponentModel.Annotations
Inheritance: object → Attribute → ValidationAttribute → CustomValidationAttribute
Specifies a custom validation method that is used to validate a property or class instance.
Properties
public
string
Method
Gets the validation method.
public
Type
ValidatorType
Gets the type that performs custom validation.
public
string
ErrorMessage
Gets or sets an error message to associate with a validation control if validation fails.
public
string
ErrorMessageResourceName
Gets or sets the error message resource name to use in order to look up the <see cref="P:System.ComponentModel.DataAnnotations.ValidationAttribute.ErrorMessageResourceType" /> property value if validation fails.
public
Type
ErrorMessageResourceType
Gets or sets the resource type to use for error-message lookup if validation fails.
protected
string
ErrorMessageString
Gets the localized validation error message.
public
bool
RequiresValidationContext
Gets a value that indicates whether the attribute requires validation context.
public
object
TypeId
Methods
public
string
FormatErrorMessage(string name)
Formats a validation error message.
Returns An instance of the formatted error message.
name
The name to include in the formatted message.
public
ValidationResult
GetValidationResult(object value,
ValidationContext validationContext)
Inherited from ValidationAttribute
Checks whether the specified value is valid with respect to the current validation attribute.
Returns An instance of the <see cref="T:System.ComponentModel.DataAnnotations.ValidationResult" /> class.
value
The value to validate.
validationContext
The context information about the validation operation.
public
bool
IsValid(object value)
Inherited from ValidationAttribute
Determines whether the specified value of the object is valid.
Returns <see langword="true" /> if the specified value is valid; otherwise, <see langword="false" /> .
value
The value of the object to validate.
public
void
Validate(object value,
ValidationContext validationContext)
Inherited from ValidationAttribute
Validates the specified object.
value
The object to validate.
validationContext
The <see cref="T:System.ComponentModel.DataAnnotations.ValidationContext" /> object that describes the context where the validation checks are performed. This parameter cannot be <see langword="null" /> .
public
void
Validate(object value,
string name)
Inherited from ValidationAttribute
Validates the specified object.
value
The value of the object to validate.
name
The name to include in the error message.
protected
void
Finalize()
Inherited from object
protected
object
MemberwiseClone()
Inherited from object
public
string
ToString()
Inherited from object