Properties with Data Annotaion Valiation

 public class Student
    {
        [Key]
        public int ID { get; set; }
        

        [Required(ErrorMessage = "Please Enter Name"), MaxLength(20)]
        [Display(Name = "First Name")]
        [DataType(DataType.Text)]
        public string FirstName { get; set; }


        [Required(ErrorMessage = "Please Enter Name"), MaxLength(20)]
        [Display(Name = "First Name")]
        [DataType(DataType.Text)]
        public string LastName { get; set; }


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



        [DataType(DataType.EmailAddress)]
        [Required(ErrorMessage = "Please Enter Email ID")]
        [RegularExpression (@"^\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$", ErrorMessage = "Email is not valid.")]
        public string  Email { get; set; }


        [Compare("Email")]
        [Required(ErrorMessage = "Please Enter Same Email ID")]
        public string ConfirmEmail { get; set; }
        

        [DataType(DataType.PhoneNumber)]
        [Display(Name="Phone Number")]
        [Required(ErrorMessage = "Please Enter Phone Number")]
        [StringLength(12, ErrorMessage = "Please Enter the Correct Number")]
        public string ContactNo { get; set; }


        [Required(ErrorMessage = "Please Enter Address")]
        [DataType(DataType.Text)]
        [MaxLength(50), MinLength(20)]
        public string Address { get; set; }


        [Required(ErrorMessage ="Enter the User Name")]
        [Display(Name = "User Name")]
        [DataType(DataType.Text)]
        [MaxLength(20), MinLength(10)]
        public string UserName { get; set; }


        [Required(ErrorMessage = "Enter the Password")]
        [DataType(DataType.Password)]
        [MaxLength(10), MinLength(3)]
        public string Password { get; set; }

    }