partial void DeleteStrFamilyTree(StrFamilyTree instance);
 partial void InsertStrFamilyTree(StrFamilyTree instance);
 partial void UpdateStrFamilyTree(StrFamilyTree instance);
		private void detach_ChildFamilyNodes(StrFamilyTree entity)
		{
			this.SendPropertyChanging();
			entity.ParentTreeNode = null;
		}