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Создание сложной модели данных для приложения ASP.NET MVC, часть 2

7 Oct 2011 3:20 AM

Изменения, касающиеся сущности Course

В Models\Course.cs замените ранее созданный код на:

using System; using System.Collections.Generic; using System.ComponentModel.DataAnnotations; namespace ContosoUniversity.Models { public class Course { [DatabaseGenerated(DatabaseGeneratedOption.None)] [Display(Name = "Number")] public int CourseID { get; set; } [Required(ErrorMessage = "Title is required.")] [MaxLength(50)] public string Title { get; set; } [Required(ErrorMessage = "Number of credits is required.")] [Range(0,5,ErrorMessage="Number of credits must be between 0 and 5.")] public int Credits { get; set; } [Display(Name = "Department")] public int DepartmentID { get; set; } public virtual Department Department { get; set; } public virtual ICollection<Enrollment> Enrollments { get; set; } public virtual ICollection< ... Читать дальше »