using System.ComponentModel.DataAnnotations; namespace ComputersShopDatabaseImplement.Models { public class ComputerComponent { public int Id { get; set; } [Required] public int ComputerId { get; set; } [Required] public int ComponentId { get; set; } [Required] public int Count { get; set; } public virtual Component Component { get; set; } = new(); public virtual Computer Computer { get; set; } = new(); } }