VB.net Help

[WaspishVyper]

Hi,

I'm currently using VB.net, on Microsoft Visual Basic 2010 Express, to create a program for a small business, as a school project

In a form named MainUI, and I'm trying to display a text file in a multiline textbox named notes, I want the user to be able to read what is in the textfile and edit the contents through the same textbox with a button underneath named savetext. However I am unable to make this work and am wondering if anyone could help me or direct me to a webpage that already has an explanation.

Thanks in advance

WaspishVyper

[Maxibonbits]

Add a save file dialogue box into the designer then add this code for the button.

SaveFileDialog1.ShowDialog()

My.Computer.FileSystem.WriteAllText(SaveFileDialog1.FileName, TextBox1.Text, False)

[mr-nipples]

Hi Im doing the exact same thing!! What business are you doing? I've gone with a hotel.

Saving a file is easy you need to open one first

FileOpen(1, filedirectory, openmode.random, , , filesize)

if you make a random access file you get more marks - so my teacher said anyway :)

the saving is fileput (1, structurename, len(structure)

1 is just a file reference :)

[izaakski]

Im doing the same thing as well for AQA A level computing.

[WaspishVyper]

Add a save file dialogue box into the designer then add this code for the button.

SaveFileDialog1.ShowDialog()

My.Computer.FileSystem.WriteAllText(SaveFileDialog1.FileName, TextBox1.Text, False)

Thanks for the help

[WaspishVyper]

Im doing the same thing as well for AQA A level computing.

Same XD

[WaspishVyper]

Hi Im doing the exact same thing!! What business are you doing? I've gone with a hotel.

Saving a file is easy you need to open one first

FileOpen(1, filedirectory, openmode.random, , , filesize)

if you make a random access file you get more marks - so my teacher said anyway :)

the saving is fileput (1, structurename, len(structure)

1 is just a file reference :)

Thanks for the help, I'm doing it for a bunch of PHD students that work for my mum

[kn100]

To read in the text file:

Dim fileReader As StringfileReader = My.Computer.FileSystem.ReadAllText("C:\test.txt")MsgBox(fileReader)

To then write the text file out, add a save button and in the event handler put

My.Computer.FileSystem.WriteAllText("C:\test.txt", VariableContainingTheUsersText,True)

A better way of doing this

 

Firstly right at the top, before your form definition, Put the following line

Imports System.Environment

Like so:

 

As to where to write your text file, To maintain compatibility with Windows 8 I suggest writing to %appdata% like this (All of the below code goes in an event handler like OnClick

        Dim appData As String = GetFolderPath(SpecialFolder.ApplicationData)        Dim fileName As String = appData & "\test.txt"        My.Computer.FileSystem.WriteAllText(fileName, VariableContainingTheUsersText,True)