using System; using System.ComponentModel.DataAnnotations.Schema; namespace Rdh.ElectronicMedicineKit.Models { public class Patient : RootEntity { public string Name { get; set; } public string PatientNo { get; set; } public Genders Gender { get; set; } = Genders.ÄÐ; public DateTime BirthDay { get; set; } [NotMapped] public int Age { get => DateTime.Now.Year - BirthDay.Year; } } }