模板
教程
环境
性能
功能
管理
.net Treeview无限级无刷新示例
发表于：2007-09-07来源：作者：点击数：
标签：
＜%@ Page Language="C#" %＞ ＜%@ Import Namespace="System.IO" %＞ ＜!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"＞ ＜script runat="server"＞ void Treeview1_TreeNodePopulate(object sender, T
＜%@ Page Language="C#" %＞
＜%@ Import Namespace="System.IO" %＞
＜!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"＞
＜script runat="server"＞
void Treeview1_TreeNodePopulate(object sender, TreeNodeEventArgs e)
{
if (IsCallback)
if (e.Node.ChildNodes.Count == 0)
{
LoadChildNode(e.Node);
}
}
private void LoadChildNode(TreeNode node)
{
DirectoryInfo directory;
directory = new DirectoryInfo(node.Value);
foreach (DirectoryInfo sub in directory.GetDirectories())
{
TreeNode subNode = new TreeNode(sub.Name);
subNode.Value = sub.FullName;
try
{
if (sub.GetDirectories().Length ＞ 0 sub.GetFiles().Length ＞ 0)
{
subNode.SelectAction = TreeNodeSelectAction.SelectExpand;
subNode.PopulateOnDemand = true;
subNode.NavigateUrl = "#";
}
}
catch { subNode.ImageUrl = "WebResource.axd?a=sr=TreeView_XP_Explorer_ParentNode.gif&t=632242003305625000"; }
node.ChildNodes.Add(subNode);
}
| 第 [1] [2] 页 下一页 |
