using System.ComponentModel.DataAnnotations; using System.ComponentModel.DataAnnotations.Schema; namespace InventoryManager.Models { public class Materials { [Key] public int Id { get; set; } [Required] [StringLength(25)] public string Name { get; set; } [Required] [StringLength(75)] public string Description { get; set; } [Required] [ForeignKey("Suppliers")] public int Supplier { get; set; } public virtual Suppliers Suppliers { get; set; } [Required] [ForeignKey("Units")] public int Unit { get; set; } public virtual Unit Units { get; set; } } }