open txt file and add contents to listbox

[jacobevans]

i need some help opening a text file and having the contents in that file add to a list.

for example a user types '/addlist C:/text.txt'. the program takes the c:/text.txt and adds the items to a listbox

how would i code this

[Killer42]

i need some help opening a text file and having the contents in that file add to a list.

for example a user types '/addlist C:/text.txt'. the program takes the c:/text.txt and adds the items to a listbox

how would i code this

Open strFileName For Input Access Read Shared As #1
Do Until Eof(1)
  Line Input #1, strText
  List1.AddItem strText
Loop
Close #1

[waynespangler]

Try this:

         Dim str As String = ""
        Dim ary() As String
        str = My.Computer.FileSystem.ReadAllText("c:\test.txt")
        ary = Split(str, vbNewLine)
        Dim x As Integer
        For x = 0 To UBound(ary)
            If ary(x) <> "" Then
                ListBox1.Items.Add(ary(x))
            End If
        Next
 

[Killer42]

i need some help opening a text file and having the contents in that file add to a list...

It would help if we knew what version of VB we're dealing with. My code should work (assuming I got that AddItem right) in just about any version, but I'm pretty sure My.Computer.FileSystem.ReadAllText is specific to the .Net world.

Anyway, you should certainly have enough to get you started by now.

[jacobevans]

im working in VB6

your code works for small destinations like c:/file.txt but when i try

C:\Documents and Settings\Jacob Evans\Desktop\Grades\Semester1\sem1grades.txt

the program adds around 22k of blank spaces to the listbox and the program locks up

[Killer42]

your code works for small destinations ...

The difference would almost certainly be due to the contents of the file, rather than the name or location. Try opening the file in Notepad, and see what's in it.

Also, you might try using the Trim() function on each string before adding it to the listbox.

[jacobevans]

they had the same text

1:1
2:2
3:3
4:4

just different locations

[Killer42]

they had the same text ...

Which code did you use, the ReadAllText or the old-style Line Input? I'm not familiar with ReadAllText (or any VB.Net stuff) - maybe it got confused by the spaces and read everything in the directory or something.

Ideas, anyone?