Asynchronous HTTP Upload

Demonstrates how to do an HTTP upload asynchronously in a background thread. The Chilkat Upload software is freeware and may be used in both commercial and non-commercial applications and websites.

The C# code to receive the upload at http://www.chilkatsoft.com/receiveUpload.aspx may be seen here: C# ASP.NET Code to Receive Upload

Download Chilkat Upload ActiveX (freeware)

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
set upload = Server.CreateObject("Chilkat.Upload")

'  Specify the page (ASP, ASP.NET, Perl, Python, Ruby, CGI, etc)
'  that will process the HTTP Upload.
upload.Hostname = "www.chilkatsoft.com"
upload.Path = "/receiveUpload.aspx"

'  Add one or more files to be uploaded.
upload.AddFileReference "file1","dude.gif"
upload.AddFileReference "file2","pigs.xml"
upload.AddFileReference "file3","sample.doc"

'  Begin the HTTP upload in a background thread:
success = upload.BeginUpload()
If (success <> 1) Then
    Response.Write upload.LastErrorText & "<br>"
Else
    Response.Write "Files uploaded!" & "<br>"
End If

'  Wait for the upload to finish.
'  Print the progress as we wait...
Do While (upload.UploadInProgress = 1)
    '  We can abort the upload at any point by calling:
    '  upload.AbortUpload();

    '  Display the percentage complete and the number of bytes uploaded so far..
    '  The total upload size will become set after the upload begins:
    Response.Write Server.HTMLEncode( upload.PercentUploaded _
         & "% " & upload.NumBytesSent & "/" _
         & upload.TotalUploadSize) & "<br>"

    '  Sleep 2/10ths of a second.
    upload.SleepMs 200

Loop

'  Did the upload succeed?
If (upload.UploadSuccess = 1) Then
    Response.Write "Files uploaded!" & "<br>"
Else
    Response.Write upload.LastErrorText & "<br>"
End If

%>
</body>
</html>