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CoInitialize(NULL);
try
{
_variant_t varNull;
CoInitialize(NULL);
_RecordsetPtr pRs(__uuidof(Recordset));
pRs->Fields->Append("rsMainkeyID",adBSTR, 50, adFldUnspecified, varNull);
pRs->Open(vtMissing,vtMissing,adOpenUnspecified,adLockUnspecified,adCmdUnspecified);
pRs->AddNew();
pRs->Fields->Item["rsMainkeyID"]->Value = "ssss";
CoUninitialize();
}
catch(_com_error& e)
{
cout << e.Description() << endl;
}