EF Code First自定义数据库(服务器及数据库名)连接配置

 1 using System;
 2 using System.ComponentModel.DataAnnotations;
 3 using System.Data.Entity;
 4 
 5 namespace MVCLX.Models
 6 {
 7     public class Movie
 8     {
 9         public int Id{get;set;}
10         [StringLength(60,MinimumLength=3)]
11         [Display(Name="电影标题")]
12         public string Title{get;set;}
13         [Display(Name="分类")]
14         [StringLength(30)]
15         [Required]
16         public string Genre{get;set;}
17         [Display(Name="发布日期")]
18         [DataType(DataType.Date)]
19         [DisplayFormat(DataFormatString="{0:yyyy-MM-dd}",ApplyFormatInEditMode=true)]
20         public DateTime ReleaseDate {get;set;}
21         [Display(Name="价格")]
22         [DataType(DataType.Currency)]
23         [Range(1,1000)]
24         public decimal Price { get; set; }
25         [StringLength(5)]
26         public string Rating { get; set; }
27     }
28     public class MovieDbContext : DbContext
29     {
30         public MovieDbContext()
31         {
32             Database.SetInitializer<MovieDbContext>(null);
33         }
34         public MovieDbContext(string databasename)
35             : base(databasename)
36         {
37         }
38         //上面两个构造函数同时使用用于创建自已命名的数据库,必须在控制器文件中,显示调用
39         //如: private MovieDbContext db = new MovieDbContext("MovieTest");
40         //这样才能在web.config配置中由
41         /*
42             <entityFramework>
43             <!--<defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
44               <parameters>
45                 <parameter value="v11.0" />
46               </parameters>
47             </defaultConnectionFactory>-->
48             <defaultConnectionFactory type="System.Data.Entity.Infrastructure.SqlConnectionFactory, EntityFramework">
49               <parameters>
50                 <parameter value="Data Source=192.168.3.19;Initial Catalog=MovieTest;User ID=sa;Password=;MultipleActiveResultSets=True" />
51               </parameters>
52             </defaultConnectionFactory>
53             <providers>
54               <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
55             </providers>
56           </entityFramework>
57          */
58         //entityFramework中的defaultConnectionFactory所规定的连接属性,定位到指定服务器,生成新的数据库"MovieTest"
59         //下面这两行分别可以调用web.config中配置的数据库连接,但数据库MovieTest或MovieDB都必须已经是预先存在的
60         /*
61          <connectionStrings>
62             <add name="MovieConnString" connectionString="Data Source=192.168.3.19;Initial Catalog=MovieDB;User ID=sa;Password=;
63                 MultipleActiveResultSets=True" providerName="System.Data.SqlClient"/>
64             <add name="MovieDbContext" connectionString="Data Source=192.168.3.19;Initial Catalog=MovieTest;User ID=sa;Password=;
65                 MultipleActiveResultSets=True" providerName="System.Data.SqlClient"/>
66         </connectionStrings>
67          */
68         //public MovieDbContext()
69         //    : base("name=MovieDbContext")
70         //{
71         //}
72         //public MovieDbContext()
73         //    : base("name=MovieConnString")
74         //{
75         //    Database.SetInitializer<MovieDbContext>(null);
76         //}
77         public DbSet<Movie> Movies { get; set; }
78     }
79 }

  <entityFramework>
    <!--<defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
      <parameters>
        <parameter value="v11.0" />
      </parameters>
    </defaultConnectionFactory>-->
    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.SqlConnectionFactory, EntityFramework">
      <parameters>
        <parameter value="Data Source=192.168.3.19;Initial Catalog=MovieTest;User ID=sa;Password=;MultipleActiveResultSets=True" />
      </parameters>
    </defaultConnectionFactory>
    <providers>
      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
    </providers>
  </entityFramework>

public class MovieDbContext : DbContext
    {
        public MovieDbContext()
        {
            Database.SetInitializer<MovieDbContext>(null);
        }
        public MovieDbContext(string databasename)
            : base(databasename)
        {
        }
        //上面两个构造函数同时使用用于创建自已命名的数据库,必须在控制器文件中,显示传参调用才能生成自定义数据库名
　　　　　//"MovieTest",如: 
　　　　　public class MovieController : Controller
　　　　　{
        　　private MovieDbContext db = new MovieDbContext("MovieTest");
　　　　　　　...
　　　　　}