I have an old VB6 app which uses ADO to connect to SQL server databases, as:
Dim cnServer As New ADODB.Connection
cnServer.Provider = "sqloledb"
sConnectString = "Server=" & txtServer.Text & ";" & _
"Database=" & txtDatabase.Text & ";" & _
"User ID=" & txtUserID.Text & ";" & _
"Password=" & txtPassword.Text & ";" & _
"Connect timeout=10"
cnServer.Open sConnectString
...which has always worked. But now I need to modify it to connect to an Oracle 11g database. I found this article and modified the code to:
Dim cnServer As New ADODB.Connection
cnVLServer.Provider = "OraOLEDB.Oracle"
sConnectString = "Server=" & txtServer.Text & ";" & _
"Data Source=" & txtDatabase.Text & ";" & _
"User ID=" & txtUserID.Text & ";" & _
"Password=" & txtPassword.Text & ";" & _
"Connect timeout=10"
cnVLServer.Open sConnectString
...but when I run it, I get an error that reads 3706, Provider cannot be found. It may not be properly installed. This happens on my development VM (which -- don't laugh -- is still on Win2K Pro), and also on my test machine (which uses Win XP).
Some further searching indicated that oracore11.dll is a dependency, so I went to Oracle's download site and pulled down this DLL as part of a .zip file containing what I take to be the full suite of Windows-related coding tools. However the error still occurs even if I place this DLL in the same folder with my VB6 executable. And when I try to register the DLL, the attempt just generates another error: The specified module could not be found.
Before any further thrashing with what may be a wrong path or an unsolvable problem in the first place, I figured I should check in and see the best/easiest way to get a VB6 app to connect to Oracle in the first place. My goal here is to have this VB6 app be as portable as possible, not requiring any pre-installed packages to work, and having the minimum set of dependencies be easily passed around with the .exe itself. (For reference, this VB6 app is not a commercially-distributed product, just an internally-used testing tool within my own department at work. It takes flat-file fixed width data, parses it, then generates the SQL code to insert it to the DB.)
To configure an Oracle Database Instant, you must:
Install the Oracle Database Instant Client and its ODBC driver on your system;
Set the TNS_ADMIN environment variable;
Configure a tnsnames.ora configuration file for your client.
Please refer to this link, for further details...
Related
I'm using this to connect to Oracle:
Set mDBConnection = New ADODB.connection
Dim Rett As String
Rett = "CONNECTSTRING=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)"
Rett = Rett & "(HOST=myhost)(PORT=1521))(CONNECT_DATA =(SERVICE_NAME = myservice)));"
Rett = Rett & "uid=" & mDBUser & ";"
Rett = Rett & "pwd=" & mDBPassword & ";"
MsgBox Rett
mDBConnection.Open "DRIVER={Microsoft ODBC for Oracle};" & Rett
This works fine if the password does not contain symbol #.
If it does - I get this error:
[Microsoft][ODBC driver for Oracle][Oracle]ORA-12154: TNS:could not resolve the connect identifier specified
How I can escape this symbol? Maybe I should connect in a different way?
Prior to 11g you couldn't even use # sign in a password since it's part of the standard Oracle connection string (ie, sql*plus> connect scott/tiger#test to connect to the test instance). You were allowed only _, $ and # (referred to as the special characters below) after the first character up to 10g. Apparently, the driver you are using can't handle the required double quotes needed if you use such a character so I'd recommend either changing the driver or the password.
You must enclose the following passwords in double-quotation marks:
Passwords containing multibyte characters.
Passwords starting with numbers or special characters and containing
alphabetical characters. For example:
"123abc"
"#abc"
"123dc$"
Passwords containing any character other than alphabetical characters,
numbers, and special characters. For example:
"abc>"
"abc#",
" "
See Guidelines for Securing Passwords for full info.
ODBC driver "Microsoft ODBC for Oracle" is deprecated for many year, you should not use it. Documentation says "Oracle 7.3x is supported fully; Oracle8 has limited support". Install ODBC driver from Oracle, this should work better.
Your connect command would be like this one:
mDBConnection.Open "DRIVER={Oracle in OraClient11g_home1};dbq=" & mDBServer & ";" & _
"uid=" & mDBUser & ";pwd=""" & mDBPassword & """;"
In case you don't know the exact name of ODBC driver you can search Registry at HKLM\Software\ODBC\ODBCINST.INI\*\Drivers for string SQORA32.dll. The parent key tells the exact name of ODBC driver.
You could also use OLE DB provider like this one:
mDBConnection.Open "Provider=OraOLEDB.Oracle;Data Source=" & mDBServer & ";" & _
"User ID=" & mDBUser & ";Password=""" & mDBPassword & """;"
Like ODBC you don't know whether the driver/provider is installed at all on other machines.
I'm trying to figure out a way to scan all devices (without drivers installed) and install them one by one automatically.
I've made a simple script that adds/removes a registry value for driver locations, since we have a server with all the current drivers and it's updated frequently, so instead of pointing device manager to that location manually the script does it for me.
Problem is we work in a production environment and we have a lot of different devices to install, and doing it manually takes too long, even with the script i have to click each device and update the driver, the scripts just makes it a little easier by pointing it to the server with the drivers.
So basically i'm try to make the script add the location (this works fine ATM) and them update each device without prompting the user.
Option Explicit
Set ws = WScript.CreateObject("WScript.Shell")
Dim s, ws, rl
rl = "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\"
s = InputBox("Please select what you want to do" & _
vbCrLf & vbTab & "1 - Clear all, set default driver path." & _
vbCrLf & vbTab & "2 - Default path + production drivers" & _
vbCrLf & vbTab & "3 - Default and production path + Skylake drivers")
If s = 1 then
ws.RegWrite rl & "DevicePath", "%SystemRoot%\inf" , "REG_EXPAND_SZ"
ElseIf s = 2 then
ws.RegWrite rl & "DevicePath", "%SystemRoot%\inf; B:\LocalDrivers\; \\ccdsrv01\shares\Resources\Drivers\Client" , "REG_EXPAND_SZ"
ElseIf s = 3 then
ws.RegWrite rl & "DevicePath", "%SystemRoot%\inf; B:\LocalDrivers\; \\ccdsrv01\shares\Resources\Drivers\Client; \\ccdsrv01\shares\Resources\PreProd\SkyBay (Skylake-SunrisePoint)\New" , "REG_EXPAND_SZ"
End If
Using SSIS I need to retrieve data from a server outside my network/domain.
I can only get to this server through a VPN.
I created 2 packages:
StartVPN - using some VB this package starts the VPN. Works great. :)
Import Files - This package is called from StartVPN and should import some data.
When I run package 2 directly with the VPN already started this package runs great.
When I run package 2 from package 1 without the task that starts the VPN but with the VPN manually started this package runs great.
However, if I call this package from package 1 it fails with the error:
The AcquireConnection method call to the connection manager "MyConnection" failed with error code 0xC0202009.
It does not matter if the VPN was already started or not.
How can I runn package 2 with the VPN only running during execution of the package?
I solved it!
I needed to add a wait between package1 (starting the VPN) and package2 (doing the import)
After setting up the VPN, package1 was made to wait 5 secs before continuing. Now everything works swell :)
SO: Package 1 containg a VB scriptask for starting up the (existing) VPN:
Dim VPNConnectionName As String = "MyVPN"
Dim VPNlogin As String = "MyUser"
Dim VPNPassword As String = "MyPass"
Shell("RASDIAL " & Chr(34) & VPNConnectionName & Chr(34) & " " & VPNlogin & " " & VPNPassword, vbNormalFocus)
'
System.Threading.Thread.Sleep(5000)
Dts.TaskResult = ScriptResults.Success
Then from package1 call package 2 for the actual import
And a VB scripttask for closing the VPN:
Dim VPNConnectionName As String = "MyConnection"
Shell("RASDIAL " & Chr(34) & VPNConnectionName & Chr(34) & " /DISCONNECT", vbNormalFocus)
'
Dts.TaskResult = ScriptResults.Success
As we know it's easy to get client site name in windows 2003 via WMI_NTdomain.clientsitename, object status by WMI_NTdomain.status , but that class doesn't exist in Windows 2000. So can you show me how to get those value by script or command line?
My old system is still running well on windows 2000, i don't want to change it at now.
Grab HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Netlogon\Parameters\DynamicSiteName with reg.exe, vbscript, or your favorite scripting/programing language.
Edit:
I admit that I haven't seen W2k for some time now. Does this VB Script output usefull information:
option explicit
dim adSys
Set adSys = CreateObject("ADSystemInfo")
WScript.Echo "SiteName=" & adSys.SiteName
'WScript.Echo "Computername DN=" & adSys.ComputerName
'WScript.Echo "Username DN=" & adSys.UserName
'WScript.Echo "DomainDNSName (Comp)=" & adSys.DomainDNSName
'WScript.Echo "DomainShortName (Comp)=" & adSys.DomainShortName
'WScript.Echo "ForestDNSName (Comp)=" & adSys.ForestDNSName
You could also use the WMI ScriptOMatic to search for the relevent class.
I've been working on modifying an existing vbscript. The wierd part is that when I run the script manually, it works fine. But as soon as I try to run it as a scheduled task, it reports as complete, but doesn't actually do anything. After much troubleshooting, I think I tracked it down to the original CreateObject. Here's the code:
On Error Resume Next
'create an instance of IE
Dim oIE, objFSO, linenum
linenum = 0
Set oIE = CreateObject("InternetExplorer.Application")
'If err.number <> 0 Then linenum = 6
Set objFSO = CreateObject("Scripting.FileSystemObject")
Const ForAppending = 8
Set objTextFile = objFSO.OpenTextFile ("C:\test.txt", ForAppending, True)
'objTextFile.WriteLine(now() & " Internet object created.")
'Execute our URL
'oIE.navigate("<intranet site>")
'objTextFile.WriteLine(now() & " Starting import")
'wait for the window to be closed (exit IE)
'Do Until Err : oIE.visible = True : wsh.sleep 1000 : Loop
'objTextFile.WriteLine(now() & " Import complete.")
if Err.Number <> 0 then
' An exception occurred
objTextFile.WriteLine("Exception:" & vbCrLf & " linenum: " & linenum & vbCrLf & " Error number: " & Err.Number & vbCrLf & " Error source: " & Err.source & vbCrLf & " Error description: " & Err.Description & vbCrLf)
End If
'clean up
'oIE.Quit
'oIE.Visible = False
'Set oIE = Nothing
I've commented most of it out, to narrow it down, and from the logging I added, it spits out the current error:
Exception:
linenum: 0
Error number: -2147467259
Error source:
Error description:
Yes, the source and description lines are blank.
Googling the error doesn't seem to bring up anything useful. So I'm not sure what's going on. Permissions have been checked multiple times, and it's always run as Administrator, the same user as I'm logged in as. The funny part is, this script works fine with Windows 2000. About the only thing I can think of is perhaps the Remote Desktop connection I'm using is somehow interfering with it.
Anyone have any ideas or things I might be able to try to resolve this?
For reference, when you've got problems googling a decimal error number, try converting it to hexadecimal. -2147467259 is the same as 80004005 and if you search for that you'll find that it's quite a common error and usually means that you're denied access to something so even if you're sure that it's not permissions for the things you've checked, it might be worth doing the following checks:
Does the scheduled task run under the same account as you used when you executed the script manually? Otherwise, try doing a RunAs on the script to run as the same user account as the task, if that works, try scheduling the task as your account.
That way you'll know if it's (task vs manual) or if it's (user1 vs user2). Which might make it a little easier to track down the issue.