public SearchTreeNodeHelper(SearchTreeNode srNode, CarType ctType)
        {
            this.SearchTreeNodeID = srNode.ID;
            this.ParentSearchTreeNodeID = srNode.ParentNodeID;
            this.Text = srNode.Name.Tex_Text;

            this.CarTypeID = ctType.ID;
            this.ModelID = ctType.TYP_MOD_ID;
        }
 partial void DeleteSearchTreeNode(SearchTreeNode instance);
 partial void UpdateSearchTreeNode(SearchTreeNode instance);
 partial void InsertSearchTreeNode(SearchTreeNode instance);
		private void detach_ChildNodes(SearchTreeNode entity)
		{
			this.SendPropertyChanging();
			entity.ParentNode = null;
		}