TreeView绑定

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace WindowsFormsApplication1

{

    public partial class Form1 : Form

    {

        List<NodeInfo> nodeInfoList = new List<NodeInfo>();

        public Form1()

        {

            InitializeComponent();            

        }

        private void Form1_Load(object sender, EventArgs e)

        {

            Init();

            LoadData(new NodeInfo(Guid.Empty, "", Guid.Empty),null);

        }

        public void Init()

        {            

            NodeInfo info1 = new NodeInfo(Guid.NewGuid(),"Node1",Guid.Empty);

            NodeInfo info11 = new NodeInfo(Guid.NewGuid(), "Node11", info1.ID);

            NodeInfo info111 = new NodeInfo(Guid.NewGuid(), "Node111", info11.ID);

            NodeInfo info2 = new NodeInfo(Guid.NewGuid(), "Node2", Guid.Empty);

            NodeInfo info21 = new NodeInfo(Guid.NewGuid(), "Node21", info2.ID);

            NodeInfo info22 = new NodeInfo(Guid.NewGuid(), "Node22", info2.ID);

            NodeInfo info3 = new NodeInfo(Guid.NewGuid(), "Node3", Guid.Empty);

            NodeInfo info31 = new NodeInfo(Guid.NewGuid(), "Node31", info3.ID);

            NodeInfo info311 = new NodeInfo(Guid.NewGuid(), "Node311", info31.ID);

            nodeInfoList.Add(info1);

            nodeInfoList.Add(info11);

            nodeInfoList.Add(info111);

            nodeInfoList.Add(info2);

            nodeInfoList.Add(info21);

            nodeInfoList.Add(info22);

            nodeInfoList.Add(info3);

            nodeInfoList.Add(info31);

            nodeInfoList.Add(info311);

        }

        public void LoadData(NodeInfo nodeInfo,TreeNode parentNode)

        {

            List<NodeInfo> list =new List<NodeInfo>();

            

            list = GetChildrenList(nodeInfo);

            if (list == null || list.Count == )

            {

                return;

            }

            foreach (NodeInfo info in list)

            {

                if (info.ParentID == nodeInfo.ID)

                {

                    TreeNode node = new TreeNode(info.Name);

                    node.Tag = info;

                    if (info.ParentID == Guid.Empty)

                    {

                        treeView1.Nodes.Add(node);

                    }

                    else

                    {

                        parentNode.Nodes.Add(node);

                    }

                    LoadData(info, node);

                }

            }

        }

        private List<NodeInfo> GetChildrenList(NodeInfo nodeInfo)

        {

            List<NodeInfo> list = new List<NodeInfo>();

            list = nodeInfoList.FindAll(o => o.ParentID == nodeInfo.ID);

            return list;

        }

    }

    public class NodeInfo

    {

        public Guid ID { get; set; }

        public string Name { get; set; }

        public Guid ParentID { get; set; }

        public NodeInfo(Guid id, string name, Guid parentId)

        {

            this.ID = id;

            this.Name = name;

            this.ParentID = parentId;

        }

    }

}