WorkTool/Models/MyModel.cs

(完整代码) 1KB

namespace WorkTool.Models
{
    using System;
    using System.Data.Entity;
    using System.ComponentModel.DataAnnotations.Schema;
    using System.Linq;

    public partial class MyModel : DbContext
    {
        public MyModel()
            : base("name=MyDBConnection")
        {
        }

        public virtual DbSet<TB_Subject> TB_Subject { get; set; }
        public virtual DbSet<TB_Work> TB_Work { get; set; }
        public virtual DbSet<TB_Working> TB_Working { get; set; }

        protected override void OnModelCreating(DbModelBuilder modelBuilder)
        {
            modelBuilder.Entity<TB_Subject>()
                .HasMany(e => e.TB_Work)
                .WithOptional(e => e.TB_Subject)
                .HasForeignKey(e => e.Subject_AutoID);

            modelBuilder.Entity<TB_Subject>()
                .HasMany(e => e.TB_Working)
                .WithOptional(e => e.TB_Subject)
                .HasForeignKey(e => e.Subject_AutoID);

            modelBuilder.Entity<TB_Work>()
                .HasMany(e => e.TB_Working)
                .WithOptional(e => e.TB_Work)
                .HasForeignKey(e => e.Work_AutoID);
        }
    }
}

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