EF Code First简介及第一个实例

type=\EntityFramework, Version=4.3.1.0, Culture=neutral, PublicKeyToken=b77a5c561934e089\ /> 6 7

8

type=\EntityFramework\> 9

10

11 12

13 14 15

packages.config现实当前项目使用的package：

1 2

3 4

4、实例代码

Domain中Category.cs

1 using System;

2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5

6 namespace Northwind.Domain.Entities 7 {

8 public class Category 9 {

10 ///

13 public int CategoryID { get; set; } 14

15 ///

18 public string CategoryName { get; set; } 19 } 20 }

Data中NorthwindContext.cs

1 using System;

2 using System.Collections.Generic;

3 using System.Linq; 4 using System.Text; 5

6 using System.Data.Entity; 7

8 using Northwind.Domain.Entities; 9

10 namespace Northwind.Data 11 {

12 public class NorthwindContext : DbContext 13 {

14 public DbSet Categories { get; set; } 15 } 16 }

App中Program.cs

1 using System;

2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5

6 using Northwind.Data;

7 using Northwind.Domain.Entities; 8

9 namespace Northwind.App 10 {

11 class Program 12 {

13 static void Main(string[] args) 14 {

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