VC++数据库操作实例解析(ADO技术,使用一个辅助类来进行操作)VIP免费

在工程里添加两个文件： 1、DataManage1.h // DataManage1.h: interface for the CDataManage class. // ////////////////////////////////////////////////////////////////////// #if !defined(AFX_DATAMANAGE1_H__DEAF610B_455E_4555_B534_B856E70F2E46__INCLUDED_) #define AFX_DATAMANAGE1_H__DEAF610B_455E_4555_B534_B856E70F2E46__INCLUDED_ #if _MSC_VER > 1000 #pragma once #endif // _MSC_VER > 1000 class CDataManage { public: CDataManage(); virtual ~CDataManage(); public: _RecordsetPtr Record1; _RecordsetPtr Record2; protected: _ConnectionPtr DataConn; _RecordsetPtr DataRecord; public: // bool InfoIsExist(CString sTable,CString fatherID,CString sTempNewNumber); // CString AutoNumber(CString sTable,CString sFieldName,CString fatherID,int category); CString Padl(CString n,int in,CString c); CString AutoNumber(CString sTable,CString sFieldName,CString categoryName); _ConnectionPtr GetConn();//获取 adoConnection 对象 _RecordsetPtr GetRecordset();//获取 adoRecordset 对象 bool ConnectDatabase(CString constr); //连接数据库 bool ExecSQL(CString sql); }; #endif // !defined(AFX_DATAMANAGE1_H__DEAF610B_455E_4555_B534_B856E70F2E46__INCLUDED_) 2、DataManage1.cpp： // DataManage1.cpp: implementation of the CDataManage class. // ////////////////////////////////////////////////////////////////////// #include "stdafx.h" #include "DataManage1.h" //#include "ExternDllHeader.h" #include #ifdef _DEBUG #undef THIS_FILE static char THIS_FILE[]=__FILE__; #define new DEBUG_NEW #endif //HINSTANCE hInstance; ////////////////////////////////////////////////////////////////////// // Construction/Destruction ////////////////////////////////////////////////////////////////////// CDataManage::CDataManage() { //hInstance =LoadLibrary("RxDLL.dll"); DataConn.CreateInstance(_uuidof(Connection)); DataRecord.CreateInstance(_uuidof(Recordset)); Record1.CreateInstance(_uuidof(Recordse...