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Article View: borland.public.cppbuilder.database.ado
Article #4645

ADO Error

#4645
From: Dale
Date: Tue, 23 Oct 2001 14:27
111 lines
3308 bytes
always get "Crash" msgbox.

The ADO Error I get is Arguments are of teh wrong type, Are out of
acceptable range, or are in clonflict with one another.

What am I doing wrong?

HRESULT clsCommand::Execute(_Recordset** pRS,int* iRetVal)
{
    HRESULT hr;
    if ( m_Command == NULL)  // should not be null here
    {
        throw Exception ("m_Command == NULL");
    }

    VARIANT vNull;
    vNull.vt = VT_ERROR;
    vNull.scode = DISP_E_PARAMNOTFOUND;


    m_Command->putref_ActiveConnection(m_Connection);
    m_Command->put_CommandType(adCmdStoredProc);

    VARIANT var;
    var.vt = VT_UNKNOWN;
    var.punkVal =  m_Command;
    // create a recordset
    hr = CoCreateInstance(  CLSID_CADORecordset,
                            NULL,
                            CLSCTX_INPROC_SERVER,
                            IID_IADORecordset,
                            (LPVOID *) pRS);
    if( FAILED( hr ) )
    {
        return hr;
    }
    (*pRS)->put_CursorLocation(adUseClient);
    // Run the command and grab any returned recordset
    hr =
*pRS)->Open( var,vNull,adOpenForwardOnly,adLockBatchOptimistic,adCmdStoredPr
oc);

  //  hr = m_Command->Execute(NULL,NULL,adCmdStoredProc,pRS);


    if( FAILED( hr ) )
    {
        // catch errors I like.  :)
        CatchCMDError( iRetVal );
        return E_FAIL;
    }

    VARIANT varNULL;
    var.vt = VT_NULL;
    var.lVal  = NULL;


   hr =(*pRS)->  put_ActiveConnection (varNULL);
   if (FAILED(hr))
   {
       ShowMessage("Crash ");
   }
    return hr;
}


"Eric Garza" <egarza@amige.NOSPAM.com> wrote in message
news:umv8SI0WBHA.2256@tkmsftngp03...
> Dale,
>
> You need to disconnect the RS after the Open:
>
> oRS.Open oCmd
> Set oRS.ActiveConnection = Nothing
> ' Don't close the recordset!!
> oConn.Close
> ...
>
> --
> Regards,
> Eric Garza, MVP
> Project manager
> AMI GE
>
>
> "Dale" <Dkrebbers@cenadex.com> wrote in message
> news:ejiry3zWBHA.1380@tkmsftngp03...
> > I have a procedure which I call to return a recordset. I pass in a
> recordset
> > pointer. I create a Command object and a Connection object I then set
the
> > connection property to the connection object. I then create a recordset
> then
> > call open with the command object. I then retrun the recordset. If I
> release
> > and set the command and connection the recordset is destroyed.
> >
> > what am I doing wrong?
> >
> >
> >
> > thanks
> >
> >
> >
> > Dale
> >
> >
> >
>
>
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From: "Dale" <Dkrebbers@cenadex.com>
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Subject: ADO Error
Date: Tue, 23 Oct 2001 07:27:23 -0700
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