ASP.NET Web API教程 創(chuàng)建Admin控制器實(shí)例分享

public OrdersContext() : base("name=OrdersContext")Add the following properties to the OrdersContext class:

public DbSetOrder> Orders { get; set; }
public DbSetOrderDetail> OrderDetails { get; set; }

public class OrdersContext : DbContext
{
public OrdersContext() : base("name=OrdersContext")
{
}
public DbSetOrder> Orders { get; set; }
public DbSetOrderDetail> OrderDetails { get; set; }
public DbSetProduct> Products { get; set; }
}

namespace ProductStore.Models
{
using System;
using System.Collections.Generic;
using System.Data.Entity;
public class OrdersContextInitializer : DropCreateDatabaseIfModelChangesOrdersContext>
{
protected override void Seed(OrdersContext context)
{
var products = new ListProduct>()
{
new Product() { Name = "Tomato Soup", Price = 1.39M, ActualCost = .99M },
new Product() { Name = "Hammer", Price = 16.99M, ActualCost = 10 },
new Product() { Name = "Yo yo", Price = 6.99M, ActualCost = 2.05M }
};
products.ForEach(p => context.Products.Add(p));
context.SaveChanges();
var order = new Order() { Customer = "Bob" };
var od = new ListOrderDetail>()
{
new OrderDetail() { Product = products[0], Quantity = 2, Order = order},
new OrderDetail() { Product = products[1], Quantity = 4, Order = order }
};
context.Orders.Add(order);
od.ForEach(o => context.OrderDetails.Add(o));
context.SaveChanges();
}
}
}

System.Data.Entity.Database.SetInitializer(
new ProductStore.Models.OrdersContextInitializer());Send a Request to the Controller

HTTP/1.1 200 OK
Server: ASP.NET Development Server/10.0.0.0
Date: Mon, 18 Jun 2012 04:30:33 GMT
X-AspNet-Version: 4.0.30319
Cache-Control: no-cache
Pragma: no-cache
Expires: -1
Content-Type: application/json; charset=utf-8
Content-Length: 175
Connection: Close
[{"Id":1,"Name":"Tomato Soup","Price":1.39,"ActualCost":0.99},{"Id":2,"Name":"Hammer",
"Price":16.99,"ActualCost":10.00},{"Id":3,"Name":"Yo yo","Price":6.99,"ActualCost":
2.05}]