For reading id and password while making orkut related software or any other site related software use below code
FOR ID
If My.Computer.FileSystem.FileExists("id.txt") Then
Dim stream_reader As New IO.StreamReader("id.txt")
ListBox1.Items.AddRange(Split(stream_reader.ReadToEnd, _
vbCrLf))
ListBox1.SelectedIndex = 0
stream_reader.Close()
Else
My.Computer.FileSystem.OpenTextFileWriter("id.txt", True)
MsgBox("The Software has created files required for this Software, please fill required information in them, Then run this program, For now the program is Closing!", MsgBoxStyle.Critical, "Error!")
Me.Close()
End If

FOR PASSWORD
If My.Computer.FileSystem.FileExists("passwd.txt") Then
Dim stream_reader As New IO.StreamReader("passwd.txt")
ListBox2.Items.AddRange(Split(stream_reader.ReadToEnd, _
vbCrLf))
ListBox2.SelectedIndex = 0
stream_reader.Close()
Else
My.Computer.FileSystem.OpenTextFileWriter("passwd.txt", True)
MsgBox("The Software has created files required for this Software, please fill required information in them, Then run this program, For now the program is Closing!", MsgBoxStyle.Critical, "Error!")
Me.Close()
End If