myadoblob.cpp

来自「VC程序设计与实例中与数据库编程有关的vc++源代码」· C++ 代码 · 共 97 行

// MyAdoBlob.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "MyAdoBlob.h"
#include "MyAdoBlobDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMyAdoBlobApp

BEGIN_MESSAGE_MAP(CMyAdoBlobApp, CWinApp)
	//{{AFX_MSG_MAP(CMyAdoBlobApp)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG
	ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyAdoBlobApp construction

CMyAdoBlobApp::CMyAdoBlobApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CMyAdoBlobApp object

CMyAdoBlobApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CMyAdoBlobApp initialization

BOOL CMyAdoBlobApp::InitInstance()
{
	AfxEnableControlContainer();
	AfxOleInit();
	m_pConnection.CreateInstance("ADODB.Connection");
	/******************连接数据库********************/
	try
	{
		m_pConnection->ConnectionTimeout = 8;
		//连接SQL SERVER
		//m_pConnection->Open("Driver=SQL Server;Database=test;Server=127.0.0.1;UID=sa;PWD=;","","",adModeUnknown);
		//连接ACCESS2000
		m_pConnection->Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=userinfo.mdb","","",adModeUnknown);
	}
	catch(_com_error e)///捕捉异常
	{
		AfxMessageBox("数据库连接失败!");
		return FALSE;
	} 
	/**********************************************/
	

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	CMyAdoBlobDlg dlg;
	m_pMainWnd = &dlg;
	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}

int CMyAdoBlobApp::ExitInstance() 
{
	// TODO: Add your specialized code here and/or call the base class
	if(m_pConnection->State)
		m_pConnection->Close();
	m_pConnection.Release();
	return CWinApp::ExitInstance();
}