[DisplayName("员工组")]
[DisplayColumn("GroupName", "GroupName")]
public class EmployeeGroup : EntityBase
{
    [Required]
    [Display(Name = "员工组名称", Order = 0)]
    public virtual string GroupName { get; set; }
    [Hide]
    public virtual ICollection<Employee> Employees { get; set; }
}

[DisplayName("员工")]
[DisplayColumn("Name", "Name")]
public class Employee : EntityBase
{
    [Display(Name = "员工名称", Order = 0)]
    [Required]
    public virtual string Name { get; set; }

    [Display(Name = "性别", Order = 10)]
    [CustomDataType(CustomDataType.Sex)]
    public virtual bool Sex { get; set; }

    [Required]
    [Display(Name = "员工工号", Order = 20)]
    public virtual string JobNumber { get; set; }
    [Column(TypeName = "datetime2")]

    [Display(Name = "出生日期", Order = 30)]
    public virtual DateTime Birth { get; set; }

    [Display(Name = "婚否", Order = 40)]
    public virtual bool Marital { get; set; }

    [Required]
    [Display(Name = "部门", Order = 50)]
    public virtual EmployeeGroup Group { get; set; }

    [Display(Name = "联系电话", Order = 60)]
    public virtual string Tel { get; set; }

    [Display(Name = "电子邮件", Order = 70)]
    public virtual string Email { get; set; }

    [Display(Name = "QQ", Order = 80)]
    public virtual string QQ { get; set; }
}

public class DataContext : DbContext
{
    public DbSet<Employee> Employee { get; set; }
    public DbSet<EmployeeGroup> EmployeeGroup { get; set; }
}

  <connectionStrings>
    <add name="DataContext" connectionString="server=127.0.0.1;database=Test;Uid=sa;Pwd=123@abc;MultipleActiveResultSets=True" providerName="System.Data.SqlClient" />
  </connectionStrings>

public UnityControllerFactory(IUnityContainer container)
{
    _container = container;

    //Change EntityContextBuilder to your class that inherit IEntityContextBuilder interface.
    //If your entity context builder has constructor with arguments, continue register types that you need.
    container.RegisterType<DbContext, DataContext>(new MvcLifetimeManager());
    container.RegisterType<IEntityContextBuilder, EntityContextBuilder>(new MvcLifetimeManager());

    //Register your entity here:
    //RegisterController<EntityType>();
    //...
    RegisterController<Employee>();
    RegisterController<EmployeeGroup>();
}