Display data from latest text file into richtextbox

I want to display the latest text file that has been created in the richtextbox. The name for each text file is having a datetime.

I'm having a problem to display the data from latest txt file into the richtextbox.

This is the example of text file that has been created.

This is my code at this moment :

private void CheckSN()
{
string strComputerName = Environment.MachineName.Substring(4);
string Path = $@"Z:\FC\Share\PC\TR-{strComputerName}\SS\SN\{strComputerName}_DataFile.txt";
string logPath = $@"Z:\FC\Share\PC\TR-{strComputerName}\SS\SysLog\SystemLog_{DateTime.Now:ddMMyyyy-hhmm}.txt";
if (File.Exists(Path))
{
var data = File
.ReadAllLines(Path)
.Select(x => x.Split('='))
.Where(x => x.Length > 1)
.ToDictionary(x => x[0].Trim(), x => x[1]);
using (StreamWriter tw = File.CreateText(logPath))
{
tw.WriteLine("Read the details..\n");
tw.WriteLine("Name: {0}", data["Name"]);
tw.WriteLine("Emp ID {0}", data["EmpID"]);
tw.WriteLine("---------------------------------------------\n");
}
}
private void richTextBox1_TextChanged(object sender, EventArgs e)
{
string strComputerName = Environment.MachineName.ToString().Substring(4);
string logPath = $@"Z:\FC\Share\PC\TR-{strComputerName}\SS\SysLog\SystemLog.txt";
richTextBox1.Text = File.ReadAllText(logPath, Encoding.Default);
}

How can I display the latest text file that has been created (SystemLog_01102020-1040) in the richtextbox?

4 Replies

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Amit Gupta6y ago
+1 for piyush, why using richTextBox1_TextChanged? Just use rtbox.Load(path);
As Ak6y ago
@piyush pansuriya I've tried the code, but nothing shown in the richtextbox
Mageshwaran R6y ago
Hi AK,
please try this link:
c-sharpcorner.com/blogs/how-to-get-the-latest-file-from-a-folder-by-using-c-sharp
Piyush Pansuriya6y ago
Hi,

you can find the most recent file by usning below code
var directory = new DirectoryInfo(@"Z:\FC\Share\PC\TR-{strComputerName}\SS\SysLog\);
var myFile = directory.GetFiles().OrderByDescending(f => f.LastWriteTime).First();
using myFile variable you may find the path and write into richtextbox.