Solved

Creating a new document in vb.net using DM 5.1.05 API results in zero length file

Posted on 2007-11-14
3
1,120 Views
Last Modified: 2010-08-05
Using the example from the API reference and modifying it for vb.net from vb6, i am creating a new document in DM.  The result is that no error is thrown, the document does get created but the version of the document in DM is 0 length.  Trapping the "TotalBytesWritten" return value also reveals that no bytes were written.  The errDescription and errNumber both are OK.

Here is my VB.Net code

        Dim DocNumber As Long
        Dim VersionID As Long
        Dim TotalFileSize As Long
        Dim TotalBytesWritten As Long
        Dim szErr As String
        Dim bdata() As Byte
        Dim objDoc As New PCDCLIENTLib.PCDDocObject
        objDoc.SetProperty("%TARGET_LIBRARY", gszLibrary)
        objDoc.SetDST(gszDst)
        'Set the Profile Form for this document.
**code that sets the profile field values purposely omitted from ee post ***    

    Dim objPutStream As New Object
        objPutStream = objPutDoc.GetPropertyValue("%CONTENT")
        Dim FileName
        FileName = "C:\Test\005.doc"
        Dim fs As FileStream = File.Open(FileName, FileMode.Open, FileAccess.Read)
        Dim r As BinaryReader = New BinaryReader(fs)
        Dim bytesToWrite As Integer

        'FileOpen(1, FileName, OpenMode.Binary, OpenAccess.Read, OpenShare.LockRead, bdata.Length)
         TotalFileSize = fs.Length
        TotalBytesWritten = 0
        Me.lblImportProgress.Text = "Uploading Image: " & FileName
        bdata = r.ReadBytes(TotalFileSize)
        objPutStream.Write(bdata, TotalBytesWritten)
 
          fs.Close()
        objPutStream = Nothing
        objDoc = Nothing
        objDoc = New PCDCLIENTLib.PCDDocObject
        objDoc.SetDST(gszDst)
        objDoc.SetObjectType(gclsTemplate.DMProfile.ToString)
        objDoc.Update()


The code example from the api reference used the OPEN and GET methods.
Here is the crux of the writing portion from the example:

Dim DocNumber As Long
Dim VersionID As Long
Dim TotalFileSize As Long
Dim TotalBytesWritten As Long
Dim Buffread As Long
'Set bdata ridiculously low for test purposes
'to increase the likelihood of corruption.
Dim bdata(16) As Byte
Dim objDoc As PCDDocObject
Set objDoc = New PCDDocObject
objDoc.SetProperty "%TARGET_LIBRARY", Library
objDoc.SetDST DST
'Set the Profile Form for this document.
***PROFILE FIELD VALUES OMITTED FOR EE POST***
Dim objPutDoc As PCDPutDoc
Set objPutDoc = CreateObject( _
"PCDClient.PCDPutDoc")
objPutDoc.SetDST DST

objPutDoc.NextRow
Dim objPutStream As Object
Set objPutStream = _
objPutDoc.GetPropertyValue("%CONTENT")
Dim FileName
FileName = txtFileName.Text

Open FileName For Binary Access Read As #1
TotalFileSize = LOF(1)
While (Not EOF(1))
TotalBytesWritten = TotalFileSize
If TotalBytesWritten > 0 Then

If (TotalBytesWritten > UBound(bdata)) Then

TotalBytesWritten = UBound(bdata) + 1

Else

TotalFileSize = TotalBytesWritten
End If

Get #1, , bdata
objPutStream.Write bdata, TotalBytesWritten
Debug.Print TotalBytesWritten, _
objPutStream.BytesWritten, _
objPutStream.ErrNumber, _
objPutStream.ErrDescription
TotalBytesWritten = TotalFileSize - _
TotalBytesWritten
End If

Wend

objPutStream.SetComplete
Close #1
objDoc.Update
If objDoc.ErrNumber <> 0 Then
Debug.Print objDoc.ErrNumber, _
objDoc.ErrDescription
End If
Set objPutDoc = Nothing
Set objDoc = Nothing
Debug.Print "Upload completed!"


Thank you in advance.

0
Comment
Question by:howardseay
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
3 Comments
 

Author Comment

by:howardseay
ID: 20287228
I finally figured it out.  There were a few things wrong.  Here is the corrected block of code.

        Dim FileName
        FileName = "P:\Projects\COH_DIM\images\005.doc"
        Dim fs As FileStream = File.Open(FileName, FileMode.Open, FileAccess.Read)
        Dim breader As BinaryReader = New BinaryReader(fs)
        Dim bdata(1024) As Byte
 
        TotalFileSize = fs.Length
        Dim bytesToWrite As Integer
        bytesToWrite = 1024
        Dim lStart As Long
        Dim lLength As Long
        lStart = 0
        lLength = 1024
        Do
            breader.Read(bdata, 0, lLength)
            objPutStream.Write(bdata, lLength)
            If lStart = TotalFileSize Then Exit Do
 
            If lStart + 1024 > TotalFileSize Then
                lLength = TotalFileSize - lStart - 1
            End If
 
            lStart = lStart + lLength + 1
        Loop
        objPutStream.SetComplete()

Open in new window

0
 

Accepted Solution

by:
EE_AutoDeleter earned 0 total points
ID: 20968295
howardseay,
Because you have presented a solution to your own problem which may be helpful to future searches, this question is now PAQed and your points have been refunded.

EE_AutoDeleter
0

Featured Post

Free Tool: Subnet Calculator

The subnet calculator helps you design networks by taking an IP address and network mask and returning information such as network, broadcast address, and host range.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Whether you've completed a degree in computer sciences or you're a self-taught programmer, writing your first lines of code in the real world is always a challenge. Here are some of the most common pitfalls for new programmers.
If you need to start windows update installation remotely or as a scheduled task you will find this very helpful.
Viewers will learn how to properly install Eclipse with the necessary JDK, and will take a look at an introductory Java program. Download Eclipse installation zip file: Extract files from zip file: Download and install JDK 8: Open Eclipse and …

730 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question