CDBVariant varValue;
CString m_query;
CUnionbiao m_personset(&m_database);//继承与CRecordSetm_query="SELECT BabyInformation.BED_NUMBER, BabyInformation.NAME, Data.ID, Data.CRY, Data.PISS FROM BabyInformation INNER JOIN Data ON BabyInformation.BED_NUMBER = Data.BED_NUMBER";m_personset.Open(AFX_DB_USE_DEFAULT_TYPE,m_query);
m_personset.GetFieldValue(1,varValue);//运行到这里出错
MFCSQL数据库select
CString m_query;
CUnionbiao m_personset(&m_database);//继承与CRecordSetm_query="SELECT BabyInformation.BED_NUMBER, BabyInformation.NAME, Data.ID, Data.CRY, Data.PISS FROM BabyInformation INNER JOIN Data ON BabyInformation.BED_NUMBER = Data.BED_NUMBER";m_personset.Open(AFX_DB_USE_DEFAULT_TYPE,m_query);
m_personset.GetFieldValue(1,varValue);//运行到这里出错
MFCSQL数据库select
这个是不是应为是0呢?
这个是猜测
这些是delphi/pb/c#/java的强项啊。