Display the text file contents found in list
This code will display the filenames found under the directory mentioned and Display the text file contents found in listbox
on click of the text filename the contents of the file will be displayed.1. In a .aspx file drag and drop Listbox,Label and a Textbox with textMode set to multiline.
<body>
<h2><b>Display the text file contents</b></h2>
<form id="form1" runat="server">
<div>
<table>
<tr>
<td style="width: 102px">
<asp:ListBox ID="lstFiles" AutoPostBack="true" runat="server"
Height="150px" Width="200px"
OnSelectedIndexChanged="lstFiles_SelectedIndexChanged" BackColor="AliceBlue"/>
</td>
</tr>
<tr>
<td>
<asp:Label ID="Label1" runat="server"></asp:Label><br />
<asp:TextBox ID="txtContent" TextMode="MultiLine"
runat="server" Height="115px" Width="374px" BackColor="AliceBlue"></asp:TextBox>
</td>
</tr>
</table>
</div>
</form>
</body> 2.Code to be included in code behind.
using System;
using System.Data;
using System.IO;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class textdisplay : System.Web.UI.Page
{
string FilePath;
//declare the Streamreader object.
StreamReader objStreamReader = default(StreamReader);
protected void Page_Load(object sender, EventArgs e)
{
string[] FileEntries = null;
string FileName = null;
//counters is the directory name where in the text files are resided.
FilePath = Server.MapPath("~/counters/");
FileEntries = Directory.GetFiles(FilePath);
if (!Page.IsPostBack)
{
foreach (string file1 in FileEntries)
{
FileName = Path.GetFileName(file1);
lstFiles.Items.Add(FileName);
}
}
}
protected void lstFiles_SelectedIndexChanged(object sender, System.EventArgs e)
{
ReadTextFile();
}
public void ReadTextFile()
{
objStreamReader = File.OpenText(FilePath + lstFiles.SelectedItem.Value);
string textFileContent = objStreamReader.ReadToEnd();
txtContent.Text = textFileContent;
objStreamReader.Close();
}
}
Reference: http://aspnet101.com/codesample.aspx?code=getandreadfiles
Attachments
hi
You can also provide filter to getFile()
e.g. Directory.GetFiles("D:\\Test","*.xml");
It will get only Xml files if any
Thanks
Umesh Bhosale