for_vika/praktika_2/building.cs

namespace praktika_2
{
    using System;
    using System.Collections.Generic;
    using System.ComponentModel.DataAnnotations;
    using System.ComponentModel.DataAnnotations.Schema;
    using System.Data.Entity.Spatial;

    [Table("building")]
    public partial class building
    {
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
        public building()
        {
            employye = new HashSet<employye>();
            info_move = new HashSet<info_move>();
        }

        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.None)]
        public int id_building { get; set; }

        [Required]
        [StringLength(50)]
        public string name { get; set; }

        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
        public virtual ICollection<employye> employye { get; set; }

        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
        public virtual ICollection<info_move> info_move { get; set; }
    }
}