Base64StringAttribute Class
Definition
Important
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Specifies that a data field value is a well-formed Base64 string.
public ref class Base64StringAttribute : System::ComponentModel::DataAnnotations::ValidationAttribute[System.AttributeUsage(System.AttributeTargets.Field | System.AttributeTargets.Parameter | System.AttributeTargets.Property, AllowMultiple=false)]
public class Base64StringAttribute : System.ComponentModel.DataAnnotations.ValidationAttribute[<System.AttributeUsage(System.AttributeTargets.Field | System.AttributeTargets.Parameter | System.AttributeTargets.Property, AllowMultiple=false)>]
type Base64StringAttribute = class
inherit ValidationAttributePublic Class Base64StringAttribute
Inherits ValidationAttribute- Inheritance
- Attributes
Remarks
Recognition of valid Base64 is delegated to the Convert class, using the TryFromBase64String(String, Span<Byte>, Int32) method.
Constructors
| Base64StringAttribute() |
Initializes a new instance of the Base64StringAttribute class. |
Properties
| 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) |
| 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. (Inherited from ValidationAttribute) |
| 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) |
Determines whether a specified object is valid. (Overrides IsValid(Object)) |
| 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) |
