Question

In My Model there is 4 field

[Table("MUser")]
public class UserModel
{
  [Required]
  [ScaffoldColumn(false)]
  [Key, Column("ID", TypeName = "uniqueidentifier")]
  public int Id {get; set;}
  public string UserName {get; set;}
  [Required]
  [Column("Password", TypeName = "nvarchar")]
  public string Password {get; set;}
  [Required]
  [DataType(DataType.Password)]
  [Display(Name = "Confirm password")]
  [Compare("Password", ErrorMessage ="The password and conf password do not match.")]
  public string ConfirmPassword {get; set;}
}

Note: ConfirmPassword is not part of the database field

So when try to save

[HttpPost]
[AllowAnonymous]
[ActionName("UserRegister")]
public ActionResult Register(UserModel model)
{
     if (ModelState.IsValid)
     {
        using (MyDbContext db = new MyDbContext())
        {
          db.User.Add(model);
          db.SaveChanges();
        }
     }
}

I got the error that Invalid Column Name ConfirmPassword

So how to solve that ?

Answer 1

Mark the column you don’t want to persist to database with [NotMapped] attribute.

Other approach as described by ForeverDebugging

More detail from "Hide" column from database, but not View in Entity Framework