using System.ComponentModel.DataAnnotations; namespace MotorPlantDatabaseImplement.Models { public class EngineComponent { public int Id { get; set; } [Required] public int EngineId { get; set; } [Required] public int ComponentId { get; set; } [Required] public int Count { get; set; } public virtual Component Component { get; set; } = new(); public virtual Engine Engine { get; set; } = new(); } }