void IPhotoRepository.AddOrUpdatePhoto(Photo photo)
{
var original = _db.Photos.SingleOrDefault(p => p.PhotoID == photo.PhotoID);
if (original == null)
_db.Photos.Add(photo);
else
_db.Entry(original).CurrentValues.SetValues(photo);
}
void IPhotoRepository.DeletePhoto(int id)
{
var p = new Photo { PhotoID = id };
_db.Photos.Attach(p);
_db.Entry(p).State = System.Data.EntityState.Deleted;
}