Adding Validation to Asp.net Mvc5 entity framework code first approach

index.cs

****example****** 

public class Movie
{
    public int ID { get; set; }




    [StringLength(60, MinimumLength = 3)]
    public string Title { get; set; }




    [Display(Name = "Release Date")]
    [DataType(DataType.Date)]
    [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}", ApplyFormatInEditMode = true)]
    public DateTime ReleaseDate { get; set; }




    [RegularExpression(@"^[A-Z]+[a-zA-Z''-'\s]*$")]
    [Required]
    [StringLength(30)]
    public string Genre { get; set; }




    [Range(1, 100)]
    [DataType(DataType.Currency)]
    public decimal Price { get; set; }




    [RegularExpression(@"^[A-Z]+[a-zA-Z''-'\s]*$")]
    [StringLength(5)]
    public string Rating { get; set; }
}

*****Instructions*******

Build solution then
add-migration DataAnnotations
update-database