An example model class for Entity Framework using code first

Entry.cs

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

namespace Website.Models.EntityFrameworkCodeFirst
{
    public class Entry
    {
        [Key]
        public int Id { get; set; }

        [Required]
        public string Name { get; set; }

        [Required]
        [RegularExpression(@"(?i)\b[A-Z0-9._%+-]+@(?:[A-Z0-9-]+\.)+[A-Z]{2,4}\b", ErrorMessage = "Invalid email address")]
        [DisplayName("E-mail address")]  
        public string Email { get; set; }

        [Required]
        [DisplayName("House name or number")] 
        public string HouseNameNumber { get; set; }

        [Required]
        [DisplayName("Address line 1")]  
        public string Address1 { get; set; }

        [DisplayName("Address line 2")]  
        public string Address2 { get; set; }

        [Required]   
        [DisplayName("City / Town")]  
        public string CityTown { get; set; } 
                         
        [Required]
        [DisplayName("Postcode")]                  
        public string PostCode { get; set; }

        [Required]
        [DisplayName("Image")]
        public string Image { get; set; }

        [DisplayName("T&C accepted?")]
        [BooleanMustBeTrue(ErrorMessage = "*")]
        public bool IsAgreed { get; set; }

        [Required]
        [DisplayName("Date entered")]
        public System.DateTime DateLogged { get; set; }

        public virtual Status Status { get; set; }
        
        public IEnumerable<SelectListItem> Statuses { get; set; }
    }
    
    
    
    public class BooleanMustBeTrueAttribute : ValidationAttribute
    {
        public override bool IsValid(object propertyValue)
        {
            return propertyValue is bool
                   && (bool) propertyValue;
        }               
    }
}