<asp:TreeView ID="driverInfoView" runat="server" ImageSet="XPFileExplorer" OnTreeNodePopulate="driverInfoView_TreeNodePopulate"> 
     
</asp:TreeView>

2.當(dāng)頁(yè)面加載的時(shí)候,寫(xiě)下以下代碼：

protected void Page_Load(object sender, EventArgs e) 
{ 
    foreach (DriveInfo driverInfo in DriveInfo.GetDrives()) 
    { 
      TreeNode newNode = new TreeNode(); 
      newNode.Expanded = false; 
      newNode.PopulateOnDemand = true; 
      newNode.Value = driverInfo.Name; 
 
      if (driverInfo.IsReady) 
      { 
        newNode.Text = driverInfo.Name + "(" + driverInfo.VolumeLabel + ")"; 
      } 
      else 
      { 
        newNode.Text = driverInfo.Name + "(還沒(méi)準(zhǔn)備好)"; 
      } 
      this.driverInfoView.Nodes.Add(newNode); 
    } 
}

3.設(shè)置TreeView節(jié)點(diǎn)的事件：

protected void driverInfoView_TreeNodePopulate(object sender, TreeNodeEventArgs e) 
{ 
    DirectoryInfo dictInfo = new DirectoryInfo(e.Node.Value); 
 
    foreach (DirectoryInfo directory in dictInfo.GetDirectories()) 
    { 
      TreeNode newNode = new TreeNode(); 
      newNode.Expanded = false; 
      newNode.PopulateOnDemand = true; 
      newNode.Text = directory.Name; 
      newNode.Value = directory.FullName; 
      e.Node.ChildNodes.Add(newNode); 
    } 
 
    foreach (FileInfo fileInfo in dictInfo.GetFiles()) 
    { 
      TreeNode newNode = new TreeNode(); 
      newNode.Text = fileInfo.Name; 
      newNode.Value = fileInfo.FullName; 
      e.Node.ChildNodes.Add(newNode); 
    } 
}

相信本文所述實(shí)例對(duì)大家的asp.net程序設(shè)計(jì)有一定的借鑒價(jià)值。

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