using System; using System.Collections.Generic; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Data; using System.Text; namespace FineUI.Examples.data { public partial class tree_ajax : PageBase { protected void Page_Load(object sender, EventArgs e) { } protected void Tree1_NodeLazyLoad(object sender, TreeNodeEventArgs e) { DynamicAppendNode(e.Node); } private void DynamicAppendNode(TreeNode parentNode) { parentNode.Expanded = true; TreeNode node = null; switch (parentNode.NodeID) { case "zhumadian": node = new TreeNode(); node.Text = "遂平县"; node.Leaf = false; node.NodeID = "suiping"; parentNode.Nodes.Add(node); node = new TreeNode(); node.Text = "西平县"; node.Leaf = true; node.NodeID = "xiping"; parentNode.Nodes.Add(node); break; case "suiping": node = new TreeNode(); node.Text = "槐树乡"; node.Leaf = false; node.NodeID = "huaishu"; parentNode.Nodes.Add(node); break; case "huaishu": node = new TreeNode(); node.Text = "陈庄村"; node.Leaf = true; node.NodeID = "chenzhuang"; parentNode.Nodes.Add(node); break; } } } }