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7.8

How to send the HTTP multipart/form-data from VB

Asked by mscproj in Visual Basic Programming

Tags: enctype, multipart

I have a servlet which can accept the follow HTTP Form File operation, and save the file into the server's File System

<FORM METHOD="POST" ACTION="http://localhost:8080/servlet/servletUpload" ENCTYPE="multipart/form-data">
   Select the file to upload  : <INPUT TYPE="FILE" NAME="FILE1" SIZE="25"><BR>
   <INPUT TYPE="SUBMIT" VALUE="Upload">
</FORM>

How can I write a VB Client that does the same thing? I got the VB as following, but it doesn't work at all.
I suspect I am sending a string, instead of the file object (sFile).

Any ideas?

Private Sub Command1_Click()
    Dim xmlHttp As New MSXML2.xmlHttp
       
    'Dim http As New WinHttp.WinHttpRequest
   
    With CommonDialog1
      .Flags = cdlOFNHideReadOnly Or cdlOFNFileMustExist
      .Filter = "All Files|*.*"
      .FileName = ""
      .ShowOpen
      sFile = .FileName
      sTitle = .FileTitle
    End With
   
    'MsgBox sFile
       
    xmlHttp.open "POST", "http://localhost:8080/servlet/servletUpload", False
    xmlHttp.setRequestHeader "ENCTYPE", "multipart/form-data"
   
    xmlHttp.send sFile
   
    If xmlHttp.Status = 200 Then
        MsgBox "Upload Successful!!"
    Else
        MsgBox "Upload Unsuccessful!!"
    End If
   
End Sub



Thanks!
 
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[+][-]06/20/03 07:40 PM, ID: 8770869Accepted Solution

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Zone: Visual Basic Programming
Tags: enctype, multipart
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Solution Provided By: Computer101
Participating Experts: 3
Solution Grade: A
 
[+][-]11/22/02 05:02 AM, ID: 7483179Expert Comment

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[+][-]06/09/03 03:18 PM, ID: 8686046Expert Comment

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