//FireDAC  
    FDStoredProc1->StoredProcName = "myReport1";

    FDStoredProc1->Prepare();

    FDStoredProc1->Params->ParamByName("@dt1")->Value = "2001-01-01";

    FDStoredProc1->Params->ParamByName("@dt2")->Value = "2021-01-01";

    FDStoredProc1->Open();

//ADO

    ADOStoredProc1->ProcedureName = "myReport1";

    ADOStoredProc1->Parameters->Refresh();

    ADOStoredProc1->Parameters->ParamByName("@dt1")->Value = "2001-01-01";

    ADOStoredProc1->Parameters->ParamByName("@dt2")->Value = "2021-01-01";

    ADOStoredProc1->Open();