BulkPrintingAPI/MAXData/Models/Voucher.cs

using System;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Runtime.Serialization;

namespace MAX.Models
{
    public class Voucher
    {
        [DatabaseGenerated(DatabaseGeneratedOption.None)]
        public int Id { get; set; }

        [IgnoreDataMember]
        public int BatchId { get; set; }

        [IgnoreDataMember]
        public Batch Batch { get; set; }

        public int SequenceNumber { get; set; }

        [Column(TypeName = "Date")]
        public DateTime ExpiryDate { get; set; }
        
        [Required, MaxLength(50)]
        public string Serial { get; set; }

        [Required, MaxLength(50)]
        public string EncryptedPIN { get; set; }
    }
}