OrsysASPNETMVC/Formateur/SolutionANA/AppliWebANA/Models/Employe.cs

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Web;

namespace AppliWebANA.Models {

	public enum Poste {
		Stagiaire,
		Chef,
		[Display(Name = "Sous-chef")]
		SousChef,
		Grouillot
	}

	public class Employe {

		[Required( ErrorMessage = "Le champ {0} est obligatware !" )]
		[Display( Name = "N° de membre du personnel" )]
		[CustomValidation(typeof( Validations ), "ValiderEmployeId")]
		public int Id { get; set; }

		[Required( ErrorMessage = "Le champ {0} est obligatware !" )]
		[Display( Name = "Prénom NOM" )]
		[StringLength( 50, MinimumLength = 2 )]
		[RegularExpression( "^[A-Z][a-z]*(-[A-Z][a-z]*)? [A-Z]+$", ErrorMessage = "Ça correspond pas à ^[A-Z][a-z]*(-[A-Z][a-z]*)? [A-Z]+$, CRÉTIN !")]
		public string Nom { get; set; }

		[Required( ErrorMessage = "Le champ {0} est obligatware !" )]
		public Poste Poste { get; set; }

		[Required( ErrorMessage = "Le champ {0} est obligatware !" )]
		[Range( 0, 7000, ErrorMessage = "Un sale air conforme à la politique de l'entrepise SVP !" )]
		public Decimal Salaire { get; set; }

		public static class Validations {
			public static ValidationResult ValiderEmployeId( int id ) {
				if( id % 2 == 1 ) {
					return new ValidationResult( $"Valeur {id} non-autorisée" );
				}
				return null;
			}
		}

	}
}