ASP.NET

protected void TreeView1_SelectedNodeChanged(object sender, EventArgs e)<br />
    {<br />
        TreeView1.Nodes[0].Value = @"E:\asem\Visual Studio 2005\WebSites\SDP\users\" + Membership.GetUser().UserName.ToString();<br />
        addsubdir(TreeView1.SelectedNode.Value);<br />
<br />
    }<br />
<br />
    void addsubdir(string path)<br />
    {<br />
<br />
        DirectoryInfo dr = new DirectoryInfo(path); <br />
        if (dr.Exists)<br />
        {<br />
<br />
            foreach (DirectoryInfo d in dr.GetDirectories())<br />
            {<br />
<br />
                TreeNode t = new TreeNode();<br />
                t.Value = d.FullName;<br />
<br />
                t.Text = d.Name;<br />
<br />
<br />
<br />
                t.NavigateUrl = "";<br />
                TreeView1.SelectedNode.ChildNodes.Add(t);<br />
<br />
            }<br />
<br />
            foreach (FileInfo file in dr.GetFiles())<br />
            {<br />
<br />
                TreeNode t = new TreeNode();<br />
                t.Value = file.FullName;<br />
<br />
                t.Text = file.Name;<br />
                string url = file.FullName;<br />
                t.NavigateUrl = url; //it is changing right here<br />
                Label1.Text = url;<br />
                TreeView1.SelectedNode.ChildNodes.Add(t);<br />
<br />
            }<br />
<br />
        }<br />
<br />
    }