static void Main(string[] args)
{
using (var db = new BloggingContext())
{
db.Database.EnsureDeleted();
db.Database.EnsureCreated();
var blog = new Blog { Url = "http://blogs.msdn.com/adonet" };
db.Blogs.Add(blog);
//blog.Posts.Add(new Post {Title ="Title"});
db.Posts.Add(new Post { Blog = blog, Title = "Title 1" });
db.Posts.Add(new Post { Blog = blog, Title = "Title 2" });
var count = db.SaveChanges();
Console.WriteLine("{0} records saved to database", count);
}
using (var db = new BloggingContext())
{
db.ChangeTracker.AutoDetectChangesEnabled = true;
Blog blog = db.Blogs.First();
Post post = db.Posts.First();
Console.WriteLine("Posts collection of the Blog {0} contains {1} posts (due to change tracking).", blog.Url, ((BlogProxy)blog).PostsCount);
Console.WriteLine("All posts to blog: {0} (iterated with lazy loading)", blog.Url);
foreach (Post pst in blog.Posts)
{
Console.WriteLine(" - {0}", pst.Title);
}
Console.WriteLine("Posts collection of the Blog {0} contains {1} posts (after lazy loading).", blog.Url, ((BlogProxy)blog).PostsCount);
Console.WriteLine("press any key to exit");
Console.ReadKey();
}
}
public PostProxy(DbContext context)
{
_context = (BloggingContext)context;
_stateManager = (LazyStateManager)context.GetService<IStateManager>();
}