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    VC+OLEDB+ACCESS¶¯Ì¬´´½¨Êý¾Ý¿âÎÊÌ⣬¿ª·¢»·¾³Îªvc.net2005
   
    hr = CoCreateInstance(CLSID_SQLNCLI,
0,
CLSCTX_INPROC_SERVER,
IID_IDBInitialize,
(void**)&pIDBInitialize);
if(FAILED(hr))
{
goto Exit;
}
pIDBInitialize->Initialize();

// Initialize a property with name of database
//
dbprop[0].dwPropertyID = DBPROP_INIT_DATASOURCE;
dbprop[0].dwOptions = DBPROPOPTIONS_REQUIRED;
dbprop[0].vValue.vt = VT_BSTR;
dbprop[0].vValue.bstrVal = SysAllocString(DATABASE_NORTHWIND);
if(NULL == dbprop[0].vValue.bstrVal)
{
hr = E_OUTOFMEMORY;
goto Exit;
}

// Initialize the property set
//
dbpropset[0].guidPropertySet = DBPROPSET_DBINIT;
dbpropset[0].rgProperties = dbprop;
dbpropset[0].cProperties = sizeof(dbprop)/sizeof(dbprop[0]);

// Get IDBDataSourceAdmin interface
//
hr = pIDBInitialize->QueryInterface(IID_IDBDataSourceAdmin, (void **) &pIDBDataSourceAdmin);
if(FAILED(hr))
{
goto Exit;
}

// Create and initialize data store
//
hr = pIDBDataSourceAdmin->CreateDataSource(1, dbpropset, NULL, IID_IUnknown, &pIUnknownSession);
if(FAILED(hr))
{
goto Exit;
}