Dim WebClient As Net.WebClient = New Net.WebClient
 
Dim sr as io.streamreader = new io.streamreader(webclient.openread( _
  "http://.../test.csv"))
while sr.peek >1
msgbox(sr.readline)
end while
sr.close

dim sw as io.streamwriter = new io.streamwriter(webclient.openwrite( _
  "http://.../test.csv"))
sw.writeline("xxx")
sw.close()