using System.ComponentModel.DataAnnotations; using System.Diagnostics.CodeAnalysis; using DevHive.Web.Attributes; namespace DevHive.Web.Models.Identity.User { public class FriendWebModel { [NotNull] [Required] [MinLength(3)] [MaxLength(50)] [OnlyAlphanumerics(ErrorMessage = "Username can only contain letters and digits!")] public string UserName { get; set; } } }