private static void ExplicitLoading()
{
using (var context = new QueryingContext())
{
context.Database.Initialize(true);
context.Database.Log = Log;
foreach (var order in context.Orders)
{
var orderEntry = context.Entry(order);
if (!orderEntry.Collection(o => o.OrderLines).IsLoaded)
{
Console.WriteLine($"Loading order lines for order #{order.Id}...");
orderEntry.Collection(o => o.OrderLines).Load();
}
foreach (var orderLine in order.OrderLines)
{
var orderLineEntry = context.Entry(orderLine);
if (!orderLineEntry.Reference(ol => ol.Product).IsLoaded)
{
Console.WriteLine($"Loading product for order line #{orderLine.Id}...");
orderLineEntry.Reference(ol => ol.Product).Load();
Console.WriteLine($"Product {orderLine.Product.Name} loaded");
}
Console.WriteLine($"Order line #{orderLine.Id} of order {order.Id} has the product {orderLine.Product.Name}");
}
}
context.SaveChanges();
}
}
private static void CreateOrder()
{
using (var context = new QueryingContext())
{
context.Orders.Add(new Order());
context.SaveChanges();
}
}
