//entityobject
public void TrackCurrent(Trip trip)
{
_currentTrip = trip;
if (_currentTrip.EntityState == EntityState.Detached)
{
//if attached destination is already managed, delete it from trip graph
if (_context.ObjectStateManager.TryGetObjectStateEntry(_currentTrip.Destination, out existingOse)) //entityobject
{
_currentTrip.Destination = null;
}
_context.Trips.Attach(_currentTrip);
//for snapshot poco - load the activities
_context.LoadProperty <Trip>(_currentTrip, t => t.Activities);
}
}
