How to write textbox values to .txt file with vb.net
I have a simple form with two textboxes, I want Textbox1
to write to a file named C:\VALUE1.txt
and Textbox2
to write its value to a file named C:\VALUE2.txt
Any text that开发者_Go百科 is already in the text file MUST be over written.
It's worth being familiar with both methods:
1) In VB.Net you have the quick and easy My.Computer.FileSystem.WriteAllText option:
My.Computer.FileSystem.WriteAllText("c:\value1.txt", TextBox1.Text, False)
2) Or else you can go the "long" way round and use the StreamWriter object. Create one as follows - set false in the constructor tells it you don't want to append:
Dim objWriter As New System.IO.StreamWriter("c:\value1.txt", False)
then write text to the file as follows:
objWriter.WriteLine(Textbox1.Text)
objWriter.Close()
Dim FILE_NAME As String = "C:\VALUE2.txt"
If System.IO.File.Exists(FILE_NAME) = True Then
Dim objWriter As New System.IO.StreamWriter(FILE_NAME)
objWriter.Write(TextBox2.Text)
objWriter.Close()
MsgBox("Text written to file")
Else
MsgBox("File Does Not Exist")
End If
Have a look at the System.IO
and System.Text
namespaces, in particular the StreamWriter
object.
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