partial void DeleteWRRCATCHMENT(WRRCATCHMENT instance);
 partial void InsertWRRCATCHMENT(WRRCATCHMENT instance);
 partial void UpdateWRRCATCHMENT(WRRCATCHMENT instance);
		private void detach_WRRCATCHMENTs(WRRCATCHMENT entity)
		{
			this.SendPropertyChanging();
			entity.DRWPLANT = null;
		}