AdventureWorksDbContext_old.cs

 public class AdventureWorks2014Context : DbContext
    {
        public AdventureWorks2014Context()
            : base("Name=AdventureWorks2014Context")
        {
        }
        
        protected override void OnModelCreating(DbModelBuilder modelBuilder)
        {
            modelBuilder.Configurations.Add(new ShiftMap());
         }
        
         public DbSet<Shift> Shifts { get; set; }
         
    }