I am trying to download files from one website to another for purposes
of caching. In trying to do this, I created a VB dll component (using
VB6), that used URLDownloadToFi le, to allow me to download the file
onto the receiving site. The sending site supports an ASP page that
allows the file to be downloaded.
The component works fine when run in debugging mode, placing the file
as expected. But when not debugging (but registered), it reports that
the file has been downloaded, but the file is not there.
I would be happy with a fix or a better solution. 3 1603
Hi Brent,
I'm not trying to turn you away from this group or anything, but I think
that you'll have much better luck getting help with this if you take it to a
VB group. If a component doesn't perform the task it's suppose to perform,
ASP code will likely not help you. Unless, of course, if you have On Error
Resume Next in there or it's an IIS permissions issue.
Ray at home
"Brent Billups" <rb******@hotma il.com> wrote in message
news:60******** *************** **@posting.goog le.com... I am trying to download files from one website to another for purposes of caching. In trying to do this, I created a VB dll component (using VB6), that used URLDownloadToFi le, to allow me to download the file onto the receiving site. The sending site supports an ASP page that allows the file to be downloaded.
The component works fine when run in debugging mode, placing the file as expected. But when not debugging (but registered), it reports that the file has been downloaded, but the file is not there.
I would be happy with a fix or a better solution.
Can you post the code your using to download and save the file? (will make
it much easier to diagnose for you)
--
Regards
Steven Burn
Ur I.T. Mate Group www.it-mate.co.uk
Keeping it FREE!
Disclaimer:
I know I'm probably wrong, I just like taking part ;o)
Brent Billups <rb******@hotma il.com> wrote in message
news:60******** *************** **@posting.goog le.com... I am trying to download files from one website to another for purposes of caching. In trying to do this, I created a VB dll component (using VB6), that used URLDownloadToFi le, to allow me to download the file onto the receiving site. The sending site supports an ASP page that allows the file to be downloaded.
The component works fine when run in debugging mode, placing the file as expected. But when not debugging (but registered), it reports that the file has been downloaded, but the file is not there.
I would be happy with a fix or a better solution.
I think this is an ASP or IIS related problem, because it the VB code
works fine when the component is run stand-alone or in debug mode for
the ASP; it only fails when used in an ASP page.
Here is the code to see if that helps. There have been minor name
changes from the original, (to protect the guilty ;->) The sample ASP
page just attempts to download the google logo to the temp directory
on the C: drive.
I added logging to the VB code to try to diagnose the problem. The
logging works fine, notes no error from the download, but the file
isn't present.
VB Code (from the file GetFile.cls):
'Declare from the API
Private Declare Function URLDownloadToFi le Lib "urlmon" Alias _
"URLDownloadToF ileA" (ByVal pCaller As Long, ByVal szURL As String,
ByVal _
szFileName As String, ByVal dwReserved As Long, ByVal lpfnCB As
Long) As Long
Public Function GetFile(getURL As String, destPath As String) As
Boolean
Dim myFSO As scripting.FileS ystemObject
Dim downloadResult as Long
Dim textFile As scripting.TextS tream
On Error GoTo GetFile_ERROR
'Get FSO for tests
Set myFSO = New scripting.FileS ystemObject
'Create log file
Set textFile = myFSO.CreateTex tFile("C:\temp\ gdsgetfile.log" )
textFile.WriteL ine "Starting log " & CStr(Now)
'Check if it is already there, then don't need it
If myFSO.FileExist s(destPath) Then
textFile.WriteL ine "Found the file at the beginning"
GetFile = True
Else
'File doesn't currently exist
textFile.WriteL ine "Trying to download the file"
downloadResult = URLDownloadToFi le(0, getURL, destPath, 0,
0)
If downloadResult = 0 Then
textFile.WriteL ine "Download noted successful to " &
Chr(34) & myResult & Chr(34) & ", checking for the file"
GetFile = myFSO.FileExist s(destPath)
If GetFile Then
textFile.WriteL ine "Found the file"
Else
textFile.WriteL ine "File not found where expected"
End If
Else
textFile.WriteL ine "Failed to download the file"
GetFile = False
End If
End If
textFile.Close
Set textFile = Nothing
Exit Function
GetFile_ERROR:
On Error Resume Next
If Not textFile is Nothing Then
textFile.WriteL ine "Encountere d error #" & CStr(Err.Number )
& " - " & Err.Description & " @ " & Err.Source
End If
Err.Clear
GetFile = False
End Function
ASP Code (from file GetFile.asp):
<%@ Language = "VBScript" %>
<% Response.Buffer = True %>
<html>
<%
Dim ws
Dim gotFile
Set ws = Server.CreateOb ject("MyGetFile .GetFile")
gotFile = ws.GetFile("htt p://www.google.com/images/logo.gif",
"C:\Temp\go ogle-logo.gif")
If gotFile Then
Response.Write "Got File."
Else
Response.Write "Failed to get file."
End If
Set ws = Nothing
%>
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