Re: ADO Connection - "Class Not Registered"

From:
"coltrane" <tendengarci@yahoo.com>
Newsgroups:
microsoft.public.vc.atl
Date:
6 Oct 2006 13:25:54 -0700
Message-ID:
<1160166354.177880.276210@h48g2000cwc.googlegroups.com>
sorry, I think you missed one of my messages.

ADODB::Connection compiled and successfully created my component.

I am very happy it works, but I am puzzled as to how all my other code
from a far distant planet (job) did compile and work without
no_namespace.
well, it really doesn't matter the ADODB::Connection works great.

thanks for all your help

On Oct 6, 3:11 pm, "Igor Tandetnik" <itandet...@mvps.org> wrote:

coltrane <tendenga...@yahoo.com> wrote:

On Oct 6, 12:52 pm, "Igor Tandetnik" <itandet...@mvps.org> wrote:

coltrane <tendenga...@yahoo.com> wrote:

hmmmm,

#import "c:\program files\common files\system\ado\msado15.dll"
rename("EOF","EndOfFile")

HRESULT hr = S_OK;
ADODB::_ConnectionPtr pConnection = NULL;
hr = pConnection.CreateInstance(__uuidof(ADODB::_Connection));

0x80040154 Class not RegisteredWhich part of "Connection,
without leading underscore" do you have

difficulty understanding?


the code won't compile without the '_'What exactly is the error this time?


This program compiles, runs and prints Succeeded:

#include <iostream>

#import "c:\program files\common files\system\ado\msado15.dll"
rename("EOF","EndOfFile")

int main() {
  CoInitialize(0);
  {
    ADODB::_ConnectionPtr pConnection = NULL;
    HRESULT hr =
pConnection.CreateInstance(__uuidof(ADODB::Connection));
    std::cout << ((FAILED(hr) || pConnection == 0) ? "Failed" :
"Succeeded")
              << std::endl;
  }
  CoUninitialize();
  return 0;

}--
With best wishes,
    Igor Tandetnik

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