控制器:using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.Mvc;using MvcApplication1.Models;using System.ComponentModel.DataAnnotations.Schema;namespace MvcApplication1.Controllers{ public class studentsController : Controller { // // GET: /students/ public ActionResult details() { int id = 16; studentContext std = new studentContext(); student first = std.details.Single(m => m.RollNo == id); return View(first); } }}DbContext模型:using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Data.Entity;namespace MvcApplication1.Models{ public class studentContext : DbContext { public DbSet<student> details { get; set; } }}模型:using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.ComponentModel.DataAnnotations.Schema;namespace MvcApplication1.Models{ [Table("studentdetails")] public class student { public int RollNo; public string Name; public string Stream; public string Div; }}数据库表:CREATE TABLE [dbo].[studentdetails]( [RollNo] [int] NULL, [Name] [nvarchar](50) NULL, [Stream] [nvarchar](50) NULL, [Div] [nvarchar](50) NULL) 在global.asax.cs中Database.SetInitializer<MvcApplication1.Models.studentContext>(null);上面的代码列出了我正在处理的所有类。在运行我的应用程序时收到错误:“模型生成期间检测到一个或多个验证错误”以及“实体类型未定义键”。
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