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Novos atributos em Data annotation | .NET 8 | CSharp

  • Novos atributos em Data annotation | .NET 8 | CSharp Attributes

Novos atributos | Base64String, AllowedValues, DeniedValues​

using System;
using System.ComponentModel.DataAnnotations;

public class UserDto
{
    // Field value is a well-formed Base64 string.
    [Base64String]
    public string AccessToken { get; set; } = default!;

    // List of values that should be allowed in a property.
    [AllowedValues(1, 2, 8, 23, 55)]
    public uint Grade { get; set; }

    // List of values that should not be allowed in a property.
    [DeniedValues(1, 2, 3, 4, 5)]
    public uint Age { get; set; }

    // Specifies the minimum and maximum length of collection/string
    // data allowed in a property.
    [Length(7, 25)]
    public string FirstName { get; set; } = default!;

    // Struct does not equal its default value.
    [Required(DisallowAllDefaultValues = true)]
    public Guid Id { get; set; }
}