一个用技巧强大的ODBC API 函数访问数据库类

[摘要]rc == SQL_SUCCESS_WITH_INFO) m_sFieldValue[f] = CString(szData) ; else m_sFie...

rc == SQL_SUCCESS_WITH_INFO)
         m_sFieldValue[f] = CString(szData) ;
        else
       m_sFieldValue[f] = "" ;
    }
    else
     m_sFieldValue[f] = "" ;

   }

     return 1 ;   /*执行成功，并且有数据*/
    }
    else if(rc == 100)
    {  /*查找成功，但是没有数据*/
          return 0 ;
    }
   }
       m_sErrMsg = "" ;
    while(SQLError(0,
                0,
       hstmt_select,
       szSQLSTATE,
       &nErr,
       msg,
       sizeof(msg),
       &cbmsg) == SQL_SUCCESS )
       m_sErrMsg += "\t\t" +CString(msg) + "\n" ;

    SQLFreeStmt(hstmt_select,SQL_DROP) ;
    hstmt_select = NULL ;
    return -1 ;
}

BOOL CWdcDatabase::NextMatchingRecord()
{
   unsigned char szSQLSTATE[6] ;
   SDWORD nErr ;
   unsigned char msg[MAX_ERROR_MSG+1] ;
   SWORD cbmsg ;

   char szData[MAX_DATA] ;
   SDWORD cbData ;
   RETCODE rc ;

   if(!m_bOpen)
    return FALSE ;

   rc = SQLFetch(hstmt_select) ;
   if(rc == SQL_SUCCESS

关键词： 一个用技巧强大的ODBC API 函数访问数据库类