MTWorkHR/MTWorkHR.Core/Entities/Base/Entity.cs

using System.ComponentModel.DataAnnotations.Schema;
using System.ComponentModel.DataAnnotations;

namespace MTWorkHR.Core.Entities.Base
{
    public class Entity : IEntity
    {
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        [Column(Order = 0)]
        public long Id { get; set; }
    }

    public class Entity<TKey> : IEntity<TKey>
    {
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        [Column(Order = 0)]
        public TKey Id { get; set; }
    }
}