我找到了解决方案。关键的是这行代码:
DbDatabase.DefaultConnectionFactory = new
SqlCeConnectionFactory("System.Data.SqlServerCe.4.0");
这里有一个完整的示例:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Proto
{
using System.Data;
using System.Data.Entity;
using System.Data.Entity.Database;
using System.Data.SqlServerCe;
using System.ComponentModel.DataAnnotations;
class Program
{
static void Main(string[] args)
{
DbDatabase.DefaultConnectionFactory = new
SqlCeConnectionFactory("System.Data.SqlServerCe.4.0");
DbDatabase.SetInitializer(
new DropCreateDatabaseIfModelChanges<ProtoCatalog>()
);
using (var db = new ProtoCatalog())
{
var user = new User
{
Name = "bob",
Password = "123",
Creation = DateTime.Now,
PrimaryEmailAddress = "[email protected]"
};
db.Users.Add(user);
db.SaveChanges();
Console.ReadKey();
}
}
}
public class ProtoCatalog : DbContext
{
public DbSet<User> Users { get; set; }
}
public class User
{
[Key, StringLength(50)]
public string Name { get; set; }
[Required, StringLength(100)]
public string Password { get; set; }
[Required, StringLength(320)]
public string PrimaryEmailAddress { get; set; }
[StringLength(320)]
public string SecondaryEmailAddress { get; set; }
[Required]
public DateTime Creation { get; set; }
public bool Active { get; set; }
}
}
的API可能会EF代码优先CTP 5和RTM之间改变虽然,但这是它是如何做现在。
我对此做了一个小的blog post。
谢谢。我会检查出来的。 – 2011-01-30 13:49:52