Read text file and write text file in VB

This topic explains about how to read text file and write text file in VB programming.
This is done with the help of stream reader and stream writer.
Tools needed: TextBox1 (TextBox1), Button1 (Button1), Button2 (Button2)

System.IO Namespace – Read text file and write text file in VB

The System.IO namespace contains types that allow read text file and write text file and data streams and types that provide basic file and directory support.

StreamReader Class – Read text file and write text file in VB

Implements a TextReader that reads characters from a byte stream in a particular encoding.
Syntax for StreamReader Class

'Declaration
<SerializableAttribute> _
<ComVisibleAttribute(True)> _
Public Class StreamReader _
	Inherits TextReader

'Declaration

<SerializableAttribute> _

<ComVisibleAttribute(True)> _

Public Class StreamReader _

Inherits TextReader

StreamWriter Class – Read text file and write text file in VB

Implement a TextWriter for writing characters to a stream in a particular encoding.
Syntax for StreamWriter Class

'Declaration
<SerializableAttribute> _
<ComVisibleAttribute(True)> _
Public Class StreamWriter _
	Inherits TextWriter

'Declaration

<SerializableAttribute> _

<ComVisibleAttribute(True)> _

Public Class StreamWriter _

Inherits TextWriter

StreamReader.ReadToEnd Method – Read text file and write text file in VB

Help to reads all characters from the current position to the end of the stream.

Read text file and write text file in VB – Complete Code

Public Class Form1
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Try
            Dim file_name As String = "C:/text.txt" ' Application.StartupPath() & "/text.dat"
            Dim stream_reader As New IO.StreamReader(file_name)
            Try
                TextBox1.Text = stream_reader.ReadToEnd()
                TextBox1.Select(0, 0)
            Finally
                stream_reader.Close()
            End Try
        Catch exc As System.IO.FileNotFoundException
            ' Ignore this error.
        Catch exc As Exception
            ' Report other errors.
            MsgBox(exc.Message, MsgBoxStyle.Exclamation, "Read " & _
                "Error")
        End Try
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Try
            Dim file_name As String = "C:/text.txt" 'Application.StartupPath() & "/text.dat"
            Dim stream_writer As New IO.StreamWriter(file_name, _
                False)
            Try
                stream_writer.Write(TextBox1.Text)
            Finally
                stream_writer.Close()
            End Try
        Catch exc As Exception
            ' Report all errors.
            MsgBox(exc.Message, MsgBoxStyle.Exclamation, "Read " & _
                "Error")
        End Try
 End Sub

Public Class Form1

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Try

Dim file_name As String = "C:/text.txt" ' Application.StartupPath() & "/text.dat"

Dim stream_reader As New IO.StreamReader(file_name)

Try

TextBox1.Text = stream_reader.ReadToEnd()

TextBox1.Select(0, 0)

Finally

stream_reader.Close()

End Try

Catch exc As System.IO.FileNotFoundException

' Ignore this error.

Catch exc As Exception

' Report other errors.

MsgBox(exc.Message, MsgBoxStyle.Exclamation, "Read " & _

"Error")

End Try

End Sub

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

Try

Dim file_name As String = "C:/text.txt" 'Application.StartupPath() & "/text.dat"

Dim stream_writer As New IO.StreamWriter(file_name, _

False)

Try

stream_writer.Write(TextBox1.Text)

Finally

stream_writer.Close()

End Try

Catch exc As Exception

' Report all errors.

MsgBox(exc.Message, MsgBoxStyle.Exclamation, "Read " & _

"Error")

End Try

End Sub

Read text file and write text file in VB – Final result

VB Files and Directory	VB WORD
VB Path Class	How to insert picture in Excel using VB
Save the image to system from PictureBox in VB	How to insert Picture as Background image in Excel using VB
Read text file and write text file in VB	Create Excel Chart in VB.NET PictureBox
How to append file using vb	Export Excel chart to Picture file using VB
How to read file in vb	Draw chart in Excel using VB programming
Create and write file using vb.net	Create an Excel file from XML file using VB
Different file operation in vb.net	Save the image to system from PictureBox in VB
Count files in Directory using vb.net	Working of Font Dialog in VB
BinaryWriter in VB.NET	Working of SaveFileDialog Component in VB
BinaryReader in VB	Make ctrl A to select all text in VB
	How to create numeric TextBox in VB
	How to spell check in vb

Read text file and write text file in VB

If you have any suggestions or doubts, please inform us…

Rating: 0.0/10 (0 votes cast)

Rating: 0 (from 0 votes)

0December 5, 2012
Read text file and write text file in C#
0December 5, 2012
BinaryWriter in VB.NET
0December 5, 2012
BinaryReader in VB
0December 5, 2012
Create an XML file using DataSet in VB
0December 5, 2012
How to create an Excel File in VB

Alexey: That isnihgt's just what I've been looking for. Th...

Griselda: What would many of us do devoid of the brlliiant t...

Alejandra: My spouse and i ended up being rellay excited that...

microsoft: Heya i'm for the primary time here. I found this b...

Dave: Whoa, thnigs just got a whole lot easier....

Lina: Really informative blog post here my frined. I jus...

Setan: Your page is stunning! I have been wianntg to try ...

Devandra: Nice blog, just looking close to some blogs, aaepp...

Coding Angel

Page Rank

Subscribe

Topics

Categories

Recent posts

Most Shared Posts

Alexa Rank

Read text file and write text file in VB

System.IO Namespace – Read text file and write text file in VB

StreamReader Class – Read text file and write text file in VB

StreamWriter Class – Read text file and write text file in VB

StreamReader.ReadToEnd Method – Read text file and write text file in VB

Read text file and write text file in VB – Complete Code

Read text file and write text file in VB

Related Posts:

Leave a Reply Cancel reply

Announcement

Recent Comments