.NET中Treeview实现限级无刷新
点击次数：63 次 发布日期：2008-11-06 07:50:00 作者：源代码网
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实现代码：
源代码网整理以下<%@ Page Language="C#" %>
<%@ Import Namespace="System.IO" %>
源代码网整理以下<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
源代码网整理以下<script runat="server"> 软件开发网 www.mscto.com
源代码网整理以下 void Treeview1_TreeNodePopulate(object sender, TreeNodeEventArgs e)
{
if (IsCallback)
if (e.Node.ChildNodes.Count == 0)
{
LoadChildNode(e.Node);
}
}
源代码网整理以下 private void LoadChildNode(TreeNode node)
{
DirectoryInfo directory;
directory = new DirectoryInfo(node.Value);
源代码网整理以下 foreach (DirectoryInfo sub in directory.GetDirectories())
{
TreeNode subNode = new TreeNode(sub.Name);
subNode.Value = sub.FullName;
源代码网整理以下 try
{
if (sub.GetDirectories().Length > 0 || sub.GetFiles().Length > 0)
{
subNode.SelectAction = TreeNodeSelectAction.SelectExpand;
subNode.PopulateOnDemand = true;
subNode.NavigateUrl = "#";
}
}
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