default.aspx

来自「對c#初學者參考..為課題asp.net 2.0教材代碼」· ASPX 代码 · 共 72 行

ASPX

72 行

<%@ Page Language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">

    protected void Page_Load(object sender, EventArgs e)
    {
        foreach (System.IO.DriveInfo drive in System.IO.DriveInfo.GetDrives())
        {
            TreeNode node = new TreeNode();
            node.Value = drive.Name;

            //Make sure the drive is ready before we access it
            if (drive.IsReady)
            {
                node.Text = drive.Name +
                            " - (free space: " + drive.AvailableFreeSpace + ")";
                LoadDirectories(node, drive.Name);
            }
            else
                node.Text = drive.Name + " - (not ready)";

            this.TreeView1.Nodes.Add(node);
        }
    }
    private void LoadDirectories(TreeNode parent, string path)
    {
        System.IO.DirectoryInfo directory = new System.IO.DirectoryInfo(path);

        try
        {
            foreach (System.IO.DirectoryInfo d in directory.GetDirectories())
            {
                TreeNode node = new TreeNode(d.Name, d.FullName);

                parent.ChildNodes.Add(node);

                //Recurs the current directory
                LoadDirectories(node, d.FullName);
            }
        }
        catch (System.UnauthorizedAccessException e)
        {
            parent.Text += " (Access Denied)";
        }
        catch (System.IO.IOException e)
        {
            parent.Text += " (Unknown Error: " + e.Message + ")";
        }
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <table>
            <tr>
                <td style="width: 100px" valign="top">
                    <asp:TreeView ID="TreeView1" runat="server"></asp:TreeView>
                </td>
            </tr>
        </table>    
    </div>
    </form>
</body>
</html>

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