Inheritance: INotifyPropertyChanging, INotifyPropertyChanged
 // Insert Methods
 public static void InsertFeedback(Feedback f)
 {
     naturenet_dataclassDataContext db = new naturenet_dataclassDataContext();
     db.Feedbacks.InsertOnSubmit(f);
     Action a = new Action();
     a.date = DateTime.Now; a.type_id = 1; a.object_type = f.GetType().ToString();
     a.user_id = f.user_id;
     try { db.SubmitChanges(); a.object_id = f.id; db.Actions.InsertOnSubmit(a); db.SubmitChanges(); }
     catch (Exception e) { log.WriteErrorLog(e); }
 }
 partial void DeleteFeedback(Feedback instance);
 partial void UpdateFeedback(Feedback instance);
 partial void InsertFeedback(Feedback instance);
		private void detach_Feedbacks(Feedback entity)
		{
			this.SendPropertyChanging();
			entity.Feedback_Type = null;
		}
		private void attach_Feedbacks(Feedback entity)
		{
			this.SendPropertyChanging();
			entity.Feedback_Type = this;
		}