Unexpected behavior with Entity Framework Core lazy loading in .NET 6 MVC application
I'm experiencing an unexpected behavior with lazy loading while using Entity Framework Core in my .NET 6 MVC application. I have two entities, `Author` and `Book`, where an `Author` can have multiple `Books`. I'm trying to load an `Author` and access their `Books`, but I'm getting an empty collection instead of the expected results. Here’s a simplified version of my entities: ```csharp public class Author { public int AuthorId { get; set; } public string Name { get; set; } public virtual ICollection<Book> Books { get; set; } } public class Book { public int BookId { get; set; } public string Title { get; set; } public int AuthorId { get; set; } public virtual Author Author { get; set; } } ``` In my `DbContext`, I have the following configuration: ```csharp public class ApplicationDbContext : DbContext { public DbSet<Author> Authors { get; set; } public DbSet<Book> Books { get; set; } protected override void OnModelCreating(ModelBuilder modelBuilder) { modelBuilder.Entity<Author>() .HasMany(a => a.Books) .WithOne(b => b.Author) .HasForeignKey(b => b.AuthorId); } } ``` In my controller, I’m attempting to retrieve an author along with their books like this: ```csharp public async Task<IActionResult> Details(int id) { var author = await _context.Authors.FindAsync(id); return View(author); } ``` When I access the `author.Books` property in the view, it returns an empty collection, even though there are related books in the database. I’ve ensured that lazy loading is enabled in my `Startup.cs` file: ```csharp services.AddDbContext<ApplicationDbContext>(options => options.UseLazyLoadingProxies().UseSqlServer(Configuration.GetConnectionString("DefaultConnection"))); ``` I’ve also checked that the foreign key relationship in the database is set correctly. I've tried explicitly including the books using `.Include(a => a.Books)` in my query, and that works fine, but I expected lazy loading to handle this automatically. Is there something I'm missing regarding the configuration or the usage of lazy loading in EF Core? Any insights would be greatly appreciated!