Custom Error Message not appear Data Annotation

Question

I have a class on which applied code first data annotation but on MVC view, I am finding out Default error message appear instead of custom one. Any ssugesstion please ``` public class PaymentModel { [DisplayName("Email Address")] [Required] [RegularExpression(@"^[-a-z0-9~!$%^&*_=+}{\'?]+(\.[-a-z0-9~!$%^&*_=+}{\'?]+)*@([a-z0-9_][-a-z0-9_]*(\.[-a-z0-9_]+)*\.(aero|arpa|biz|com|coop|edu|gov|info|int|mil|museum|name|net|org|pro|travel|mobi|[a-z][a-z])|([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}))(:[0-9]{1,5})?$", ErrorMessage = "Please enter a valid Email Address")] public string EmailAddress { get; set; } [DisplayName("Credit Card Number")] [Required] [StringLength(16, ErrorMessage = "The {0} must be at least {1} characters long.", MinimumLength = 3)] public int CreditCardNumber { get; set; } [Required] [StringLength(3, ErrorMessage = "The {0} must be at least {1} characters long.", MinimumLength = 3)] public int Cvv { get; set; } [DisplayName("Expiry Month")] [Required] public int E…

Accepted Answer

You need to specify an `ErrorMessage` explicitly like

```
[Required(ErrorMessage = "Email address is required")]
public string EmailAddress { get; set; }
```

Custom Error Message not appear Data Annotation

Solution

Problem