C#•6mo ago

✅ Required property

Hello there. I am creating a class with some required properties. I have decorated them with the [Required] thing, however, it's still complaining. Are you supposed to have both [Required] and the required keyword? Example:

C#
public class A
{
  [Required]
  public string Name { get; set; }
}

C#
public class A
{
  [Required]
  public string Name { get; set; }
}

Should it be this instead?:

C#
public class A
{
  [Required]
  public required string Name { get; set; }
}

C#
public class A
{
  [Required]
  public required string Name { get; set; }
}

2 Replies

Angius•6mo ago

[Required] is an attribute that, say, EF Core can use to create a column that is not nullable required keyword is enforced by the compiler. And also provides that information to EF Actually, with nullable reference types being enabled, the type being a string and not string? already gives EF that info So required is mostly just for compiler enforcement

Unknown User•6mo ago

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✅ Required property