[Resolved] Reading through a File

This is my first jump into VB.NET, and I'm trying to make a simple To Do list. I want to open a text file, read each line, and add the data to a ListView. This is the code I have:

VB Code:

Dim fs As New IO.FileStream("todo.txt", IO.FileMode.Open)
Dim sr As New IO.StreamReader(fs)
 
Do Until sr.Peek = -1
    MsgBox(sr.ReadLine())
Loop
 
fs.Close()

The file contains three lines, but no message box is ever shown. What am I doing wrong?

Just a note, try this...

Code:

---

Dim sr As New System.IO.StreamReader("todo.txt")

Do Until sr.Peek = -1
    MessageBox.Show(sr.ReadLine())
Loop

sr.Close()

---

That works here... :confused:

Hmm...when I put the todo.txt file in C:\ and then use that path, it works fine.

Is there an App.Path in VB.NET?

AppDomain.CurrentDomain.BaseDirectory

:)

If the todo.txt is in the same directory as the application, then it should work.

Why don't you try:

VB Code:

Dim sr As New System.IO.StreamReader("todo.txt")
Dim strToDo As String
 
Do Until sr.Peek = -1
    strToDo = sr.ReadLine()  ' Set break point here
    MessageBox.Show(strToDo)
Loop
 
sr.Close()

... and see if strToDo actually contains anything. I also use StreamReader for text reading but I do it in a little more complicated way:

VB Code:

Dim sr As StreamReader
 
        ' Open the file to read.
        Try
            sr = File.OpenText(strDataFileName)
        Catch ex As Exception
            MessageBox.Show(ex.Message, "Error opening file" + strDataFileName + "!")
            Exit Function
        End Try

In fact from looking at the docs it seems to me that's your problem, you're not actually opening the file.

Quote:

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Originally posted by DevGrp
If the todo.txt is in the same directory as the application, then it should work.

---

It is in the directory with the source code. The executable is placed in the Bin directory when compiled. That was my problem.

Thanks, guys.

Aha then I guess the Open is implicit and I'm doing an un-needed step.