AspNetCore.Docs/aspnet/whitepapers/what-is-new-in-aspnet-mvc/samples/sample13.cs

public class ProductViewModel {
    [HiddenInput] // equivalent to [HiddenInput(DisplayValue=true)]
    public int Id { get; set; }

    public string Name { get; set; }

    [HiddenInput(DisplayValue=false)]
    public byte[] TimeStamp { get; set; }
}