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WindowsXP service pack2 : Error429 ActiveX component can't create object

Posted on 2004-10-05
12
Medium Priority
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1,765 Views
Last Modified: 2008-01-09
Only on windowsXp service pack 2, I am unable to run my application.
I created a small sample hereby included which doens't work on Xp 2

The error from above arises on : "Set dbConn = New ADODB.Connection"

Any idea please?

Option Explicit
Dim dbConnection As ADODB.Connection
Dim dbConnection_Selections As ADODB.Connection
Dim strConnection As String
Dim rsTable As ADODB.Recordset
Dim rsTable_Selections As ADODB.Recordset

Private Sub Form_Load()
Screen.MousePointer = vbHourglass
DoEvents
SendToErrorFile "DBS is being loaded", True
DB_OpenLocalDBConnection dbConnection, "C:\wvb.mdb"
DB_OpenLocalDBTable dbConnection, rsTable, "tbl_Data"
SendToErrorFile "DBS loaded", False
Screen.MousePointer = 0
End Sub

Sub SendToErrorFile(msg As String, bKill As Boolean)
Dim strfile As String
Dim nFile As Integer
nFile = FreeFile
strfile = "c:\0Testfile.txt"
If bKill = True Then FileExist strfile, True
Open strfile For Append As nFile
Print #nFile, Format$(Now, "d mmm yyyy hh:mm:ss") + " - " + msg
Close #nFile
End Sub

Sub DB_OpenLocalDBConnection(dbConn As ADODB.Connection, strDBFile As String)
Dim strConnection As String
'strConnection = "Driver={Microsoft Access Driver (*.mdb)};DBQ=" + strDBFile
strConnection = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source =" + strDBFile
SendToErrorFile strConnection, False
Set dbConn = New ADODB.Connection
SendToErrorFile "db Connection Set", False
dbConn.Open strConnection
SendToErrorFile "db Connection Opened", False
End Sub

Sub DB_OpenLocalDBTable(dbConn As ADODB.Connection, rst As ADODB.Recordset, strTableToOpen As String)
   Set rst = New ADODB.Recordset
    SendToErrorFile "Table Set", False
   rst.CursorType = adOpenKeyset  'adOpenStatic
   SendToErrorFile "CursorType Set", False
   rst.LockType = adLockOptimistic  'adLockBatchOptimistic
   SendToErrorFile "LockType Set", False
   rst.Open strTableToOpen, dbConn, , , adCmdTable
   SendToErrorFile "Table Open", False
End Sub

Function FileExist(strFileName As String, Optional KillIt As Boolean, Optional CopyKillIt As Boolean) As Boolean
Dim nFile As Integer
On Error Resume Next
nFile = FreeFile
Open strFileName For Input As nFile
If Err.Number <> 0 Then
    FileExist = False
Else
    FileExist = True
End If
Close nFile
If KillIt = True Then
    Kill strFileName
End If
End Function

0
Comment
Question by:pgins
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12 Comments
 
LVL 26

Expert Comment

by:EDDYKT
ID: 12226789
Have you added the ms ADO reference?
0
 

Author Comment

by:pgins
ID: 12226944
In the ref I have the Microsoft ActiveX Data Objects 2.5 Library  msado25.tlb

Additional info : I used the microsoft application wizard to create a setup for the demo hereby included
and indeed this file gives a can't registration error on xp version2


0
 

Author Comment

by:pgins
ID: 12228478
Additional info:
after replacing the msado25.tlb by the msado15.dll the setup needs the mdac_type.exe
when downloading mdac_type.exe 2.8 from microsoft and trying to install mdac we have MDAC 2.8 RTM incompatibilty error.

Indeed the register already contains in
LOCAL_MACHINE\SOFTWARE\Microsoft\DataAccess\fullinstalvers = 2.81.1117

Which file is missing or what should be changed in the source to make it compatible with xp version2 ?



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Author Comment

by:pgins
ID: 12232828
After installing mdac 2.8 on proper unit, the reference file msado15.dll is in VB automatically replaced by msado27.tlb.
But after compilation and reinstalling a new created setup file : still the same error on WindowsXP Sp2
I also verified if those files are on the xp sp2 unit; they are.
Somebody has any idea please?


0
 
LVL 26

Expert Comment

by:EDDYKT
ID: 12236414
1. Have you tried to add 2.8 as ado reference on your vb project?

2. You can also use late binding

ie

Dim dbConnection As object


set dbConnection =createobject("ADODB.Connection")

etc

0
 

Author Comment

by:pgins
ID: 12236714
1. Yes I did so
2. Replaced code with yr proposal

Private Sub Form_Load()
Dim dbConnection As Object
On Error GoTo errorhandler
  SendToErrorFile "DBS being loaded", True
strConnection = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source = C:\wvb.mdb"
  SendToErrorFile strConnection, False
Set dbConnection = CreateObject("ADODB.connection")
  SendToErrorFile "Setted", False
dbConnection.Open strConnection
  SendToErrorFile "db Connection Opened", False
Exit Sub
errorhandler:
MsgBox Str$(Err.Number) + ":" + Err.Description + Str$(Err.HelpContext) + Err.HelpFile
End
End Sub

Result from testfile should be :
6 okt 2004 14:09:44 - DBS being loaded
6 okt 2004 14:09:44 - Provider=Microsoft.Jet.OLEDB.4.0;Data Source = C:\wvb.mdb
6 okt 2004 14:09:44 - Setted
6 okt 2004 14:09:45 - db Connection Opened
6 okt 2004 14:09:45 - DBS loaded

But error 429 (1000429) on XP SP2 before object is set online : Set dbConnection = CreateObject("ADODB.connection")
Meanwhile it seems to work on some XP SP2 units and on some not.
When latest MDAC or JET is loaded from microsoft > no way to start setup since files on unit are more recent then the downloaded files




0
 
LVL 26

Expert Comment

by:EDDYKT
ID: 12236809
You meant it still failed on the line

Set dbConnection = CreateObject("ADODB.connection")


?
0
 

Author Comment

by:pgins
ID: 12237365
Yes it do (sorry for my long answer I only want to give maximum info)
0
 
LVL 26

Accepted Solution

by:
EDDYKT earned 1500 total points
ID: 12237431
Only one suggestion, turn off the firewall and try again

from control panel->windows firewall->off

and try

or add your task on the advanced tab
0
 

Author Comment

by:pgins
ID: 12237782
Tried both, still the same
0
 

Author Comment

by:pgins
ID: 12239615
I replace ref by Microsoft DAO 3.6 Object library (dao360.dll)
Removed all adodb.connections
Replaced dbconnection.execute by dbconnection.openrecordset and a few other items

Dim dbConn as database
Dim rst as recordset

Set dbConn = OpenDatabase(strDBFile)
Set rst = dbConn.OpenRecordset(strTableToOpen)

works fine with XP sp2

So if somebody search for 429 error on xp sp2 : remove all yr adodb connections, I gave it up after 4 days.
0
 
LVL 26

Expert Comment

by:EDDYKT
ID: 12240188
I don't thine there is problem

Now you use DAO instead of ADO
0

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