ASP 101 - Active Server Pages 101 dir_to_rst.aspx
<%@ Page Language="VB" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.IO" %>
<script language="VB" runat="server">
	Sub Page_Load(sender as Object, e as EventArgs)
		Dim strPath      As String = "./dir/"
		Dim myDirInfo    As DirectoryInfo
		Dim arrFileInfo  As Array
		Dim myFileInfo   As FileInfo
		Dim filesTable   As New DataTable
		Dim myDataRow    As DataRow
		Dim myDataView   As DataView
		' The table is pretty simple... could store more info, but this is
		' all I want to display so it's all I'm storing.
		filesTable.Columns.Add("File Name:", Type.GetType("System.String"))
		filesTable.Columns.Add("File Size (bytes):", Type.GetType("System.Int32"))
		filesTable.Columns.Add("Date Created:", Type.GetType("System.DateTime"))
		' Get Directory Info
		myDirInfo = New DirectoryInfo(Server.MapPath(strPath))
		' Get File Info
		arrFileInfo = myDirInfo.GetFiles()
		' Loop through array of FileInfo objects placing the data we'll
		' be using into our DataTable for easy manipulation.
		For Each myFileInfo In arrFileInfo
			myDataRow = filesTable.NewRow()
			myDataRow("File Name:")         = myFileInfo.Name
			myDataRow("File Size (bytes):") = myFileInfo.Length
			myDataRow("Date Created:")      = myFileInfo.CreationTime
		Next myFileInfo
		' Create a new DataView and Filter to show files under
		' 500 bytes for illustration.  Notice that I used spaces
		' in the field name so they'd display nicely, that means I
		' need to use []s so that I don't confuse things when I filter.
		myDataView = filesTable.DefaultView
		myDataView.RowFilter = "[File Size (bytes):] < 500"
		' Set DataGrid's data source and data bind.
		dgFileList.DataSource = myDataView
	End Sub
<title>ASP.NET Directory List To DataTable Sample</title>
<form runat="server">
Only showing files that are smaller then 500 bytes: 
<asp:DataGrid id="dgFileList" runat="server"
	Border                = 3
	BorderColor           = "black"
	CellSpacing           = 0
	CellPadding           = 2
    HeaderStyle-BackColor = "#CCCC99"
    HeaderStyle-ForeColor = "#000000"
    HeaderStyle-Font-Bold = "True"
    ItemStyle-BackColor   = "#FFFFCC"
<hr />
Click <a href="">here</a> to read about and download the source code.