partial void DeleteBuggs_UserGroup(Buggs_UserGroup instance);
 partial void InsertBuggs_UserGroup(Buggs_UserGroup instance);
 partial void UpdateBuggs_UserGroup(Buggs_UserGroup instance);
		private void detach_Buggs_UserGroups(Buggs_UserGroup entity)
		{
			this.SendPropertyChanging();
			entity.UserGroup = null;
		}