Binding a GridView to directory files (C#) : DirectoryInfo « File Directory « ASP.NET Tutorial

<%@ 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;

            if (drive.IsReady)
                node.Text = drive.Name + " - (free space: " + drive.AvailableFreeSpace + ")";
            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);

                LoadDirectories(node, d.FullName);
            }
        }
        catch (System.UnauthorizedAccessException e)
        {
            parent.Text += " (Access Denied)";
        }
        catch (Exception e)
        {
            parent.Text += " (Unknown Error: " + e.Message + ")";
        }
    }

    protected void TreeView1_SelectedNodeChanged(object sender, EventArgs e)
    {
        System.IO.DirectoryInfo directory = new System.IO.DirectoryInfo(this.TreeView1.SelectedNode.Value);

        this.GridView1.DataSource = directory.GetFiles();
        this.GridView1.DataBind();
    }

</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 valign="top">
                   <asp:TreeView ID="TreeView1" 
                                 runat="server"
                                 OnSelectedNodeChanged="TreeView1_SelectedNodeChanged">
                   </asp:TreeView>
                </td>
                <td valign="top">
                    <asp:GridView ID="GridView1" 
                                  runat="server"
                                  AutoGenerateColumns="False" 
                                  GridLines="None" CellPadding="3">
                        <Columns>
                            <asp:BoundField DataField="Name" HeaderText="Name"
                                 HeaderStyle-HorizontalAlign="Left" 
                                 HeaderStyle-Font-Bold="true" />
                            <asp:BoundField DataField="Length" HeaderText="Size"
                                 ItemStyle-HorizontalAlign="Right" 
                                 HeaderStyle-HorizontalAlign="Right" 
                                 HeaderStyle-Font-Bold="true" />
                            <asp:BoundField DataField="LastWriteTime"
                                 HeaderText="Date Modified" 
                                 HeaderStyle-HorizontalAlign="Left" 
                                 HeaderStyle-Font-Bold="true" />
                        </Columns>
                    </asp:GridView>
                </td>                
            </tr>
        </table>
        
    </div>
    </form>
</body>
</html>
10.4.DirectoryInfo
	10.4.1.	Manually enumerating directory files (C#)
	10.4.2.	Manually enumerating directory files (VB)
	10.4.3.	Binding a GridView to directory files (C#)
	10.4.4.	Binding a GridView to directory files (VB)