ValidationAttribute.IsValid Método
Definición
Comprueba si el objeto especificado es válido.Checks whether the specified object is valid.
Sobrecargas
| IsValid(Object) |
Determina si el valor especificado del objeto es válido.Determines whether the specified value of the object is valid. |
| IsValid(Object, ValidationContext) |
Valida el valor especificado con respecto al atributo de validación actual.Validates the specified value with respect to the current validation attribute. |
IsValid(Object)
Determina si el valor especificado del objeto es válido.Determines whether the specified value of the object is valid.
public:
virtual bool IsValid(System::Object ^ value);public:
abstract bool IsValid(System::Object ^ value);public virtual bool IsValid (object value);public virtual bool IsValid (object? value);public abstract bool IsValid (object value);abstract member IsValid : obj -> bool
override this.IsValid : obj -> boolabstract member IsValid : obj -> boolPublic Overridable Function IsValid (value As Object) As BooleanPublic MustOverride Function IsValid (value As Object) As BooleanParámetros
- value
- Object
Valor del objeto que se va a validar.The value of the object to validate.
Devoluciones
Es true si el valor especificado es válido; en caso contrario, es false.true if the specified value is valid; otherwise, false.
Excepciones
El atributo actual está formado incorrectamente.The current attribute is malformed.
Ninguna sobrecarga de IsValid se ha implementado mediante una clase derivada.Neither overload of IsValid has been implemented by a derived class.
Comentarios
Si hereda de la ValidationAttribute clase, debe implementar la lógica de validación en este método.If you inherit from the ValidationAttribute class, you must implement the validation logic in this method.
Se aplica a
IsValid(Object, ValidationContext)
Valida el valor especificado con respecto al atributo de validación actual.Validates the specified value with respect to the current validation attribute.
protected:
virtual System::ComponentModel::DataAnnotations::ValidationResult ^ IsValid(System::Object ^ value, System::ComponentModel::DataAnnotations::ValidationContext ^ validationContext);protected virtual System.ComponentModel.DataAnnotations.ValidationResult IsValid (object value, System.ComponentModel.DataAnnotations.ValidationContext validationContext);protected virtual System.ComponentModel.DataAnnotations.ValidationResult? IsValid (object? value, System.ComponentModel.DataAnnotations.ValidationContext validationContext);abstract member IsValid : obj * System.ComponentModel.DataAnnotations.ValidationContext -> System.ComponentModel.DataAnnotations.ValidationResult
override this.IsValid : obj * System.ComponentModel.DataAnnotations.ValidationContext -> System.ComponentModel.DataAnnotations.ValidationResultProtected Overridable Function IsValid (value As Object, validationContext As ValidationContext) As ValidationResultParámetros
- value
- Object
El valor que se va a validar.The value to validate.
- validationContext
- ValidationContext
Información de contexto sobre la operación de validación.The context information about the validation operation.
Devoluciones
Instancia de la clase ValidationResult.An instance of the ValidationResult class.
Excepciones
El atributo actual está formado incorrectamente.The current attribute is malformed.
IsValid(Object, ValidationContext) no se ha implementado mediante una clase derivada.IsValid(Object, ValidationContext) has not been implemented by a derived class.