MFC使用ADO访问MSSQL2005数据库

1.   在stdafx.h最后面加上

#import "C:\Program Files\CommonFiles\System\ado\msado15.dll" \

no_namespace rename("EOF", "adoEOF")rename("BOF","adoBOF")

2.   在TestADODlg.h中添加

_ConnectionPtr m_pConnection;

_RecordsetPtr m_pRecordset;

3.   在TestADODlg.cpp中的OnInitDialog中添加

if (!AfxOleInit())

       {

              MessageBox(_T("数据库初始化错误！"));

       }

 

       try

       {

              m_pConnection.CreateInstance(__uuidof(Connection));

 

              _bstr_t strConnect = "Driver={SQLServer};Provider=SQLOLEDB;DSN=hotel;Server=192.168.2.28;Database=TalentVideoDB;UID=sa;PWD=tlserver;";

//其中的Server指定MSSQL2005安装所在的主机IP地址

              m_pConnection->Open(strConnect,"", "", adModeUnknown);

       }

       catch(_com_errore)

       {

              MessageBox(e.Description());

       }

 

       try

       {

              m_pRecordset.CreateInstance(__uuidof(Recordset));

 

              m_pRecordset->Open("SELECT * FROM dbo.DEV_Encoders",

                     m_pConnection.GetInterfacePtr(),

                     adOpenDynamic,

                     adLockOptimistic,

                     adCmdText);

       }

       catch(_com_errore)

       {

              MessageBox(e.Description());

       }

      

       _variant_t theValue;

       CString strTmp;

 

       while (!m_pRecordset->adoEOF)

       {

              theValue = m_pRecordset->GetCollect(_T("EncoderName"));

              strTmp = (char *)_bstr_t(theValue);//转为CString类型

 

              m_pRecordset->MoveNext();

       }