2023年6月22日发(作者：)

winformtreeView数据绑定private void Form1_Load(object sender, EventArgs e) { Types = new List() { new UrlTypes() {Id = 1, Name = "中国", Value = "0", ParentId = 0}, new UrlTypes() {Id = 2, Name = "河南", Value = "0", ParentId = 1}, new UrlTypes() {Id = 3, Name = "河北", Value = "0", ParentId = 1}, new UrlTypes() {Id = 4, Name = "南阳", Value = "0", ParentId = 2}, new UrlTypes() {Id = 4, Name = "信阳", Value = "0", ParentId = 2}, new UrlTypes() {Id = 5, Name = "新野", Value = "0", ParentId = 4}, new UrlTypes() {Id = 6, Name = "⽯家庄", Value = "0", ParentId = 3} };

var topNode = new TreeNode(); = "0"; = "世界"; (topNode); Bind(topNode,Types,0);

All(); } private void Bind(TreeNode parNode,List list,int nodeId ) { var childList = l(t => Id == nodeId).OrderBy(t=>); foreach (var urlTypese in childList) { var node = new TreeNode(); = ng(); = ; (node); Bind(node,list,); } } public class UrlTypes { public int Id { get; set; }

public string Name { get; set; }

public string Value { get; set; }

public int ParentId { get; set; } }