IoC2.cs

public static class IoC
{
    public static IContainer Initialize()
    {
        ObjectFactory.Initialize(x =>
        {
            x.Scan(scan =>
            {
                scan.TheCallingAssembly();
                scan.WithDefaultConventions();
            });
 
            x.For<IDbConnection>().HttpContextScoped().Use(new SqlConnection("my connection string"));
            return ObjectFactory.Container;
        }
    }
}

public class MvcApplication : HttpApplication
{
	// ... snip ...

	protected void Application_EndRequest()
	{
		ObjectFactory.ReleaseAndDisposeAllHttpScopedObjects();    
	}
}