adodemo.cpp

ADO&VC&SQL的例子

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

#include "stdafx.h"
#include "ADODemo.h"

#include "MainFrm.h"
#include "ADODemoDoc.h"
#include "ADODemoView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CADODemoApp

BEGIN_MESSAGE_MAP(CADODemoApp, CWinApp)
	//{{AFX_MSG_MAP(CADODemoApp)
	ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG_MAP
	// Standard file based document commands
	ON_COMMAND(ID_FILE_NEW, CWinApp::OnFileNew)
	ON_COMMAND(ID_FILE_OPEN, CWinApp::OnFileOpen)
	// Standard print setup command
	ON_COMMAND(ID_FILE_PRINT_SETUP, CWinApp::OnFilePrintSetup)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CADODemoApp construction

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

/////////////////////////////////////////////////////////////////////////////
// The one and only CADODemoApp object

CADODemoApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CADODemoApp initialization

BOOL CADODemoApp::InitInstance()
{
	if(!ATLInit()) return FALSE;

	AfxEnableControlContainer();

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

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

	// Change the registry key under which our settings are stored.
	// TODO: You should modify this string to be something appropriate
	// such as the name of your company or organization.
	SetRegistryKey(_T("Local AppWizard-Generated Applications"));

	LoadStdProfileSettings();  // Load standard INI file options (including MRU)

	// Register the application's document templates.  Document templates
	//  serve as the connection between documents, frame windows and views.

	CSingleDocTemplate* pDocTemplate;
	pDocTemplate = new CSingleDocTemplate(
		IDR_MAINFRAME,
		RUNTIME_CLASS(CADODemoDoc),
		RUNTIME_CLASS(CMainFrame),       // main SDI frame window
		RUNTIME_CLASS(CADODemoView));
	AddDocTemplate(pDocTemplate);

	// Parse command line for standard shell commands, DDE, file open
	CCommandLineInfo cmdInfo;
	ParseCommandLine(cmdInfo);

	// Dispatch commands specified on the command line
	if (!ProcessShellCommand(cmdInfo))
		return FALSE;

	// The one and only window has been initialized, so show and update it.
	m_pMainWnd->ShowWindow(SW_SHOW);
	m_pMainWnd->UpdateWindow();

	return TRUE;
}


/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
		// No message handlers
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

// App command to run the dialog
void CADODemoApp::OnAppAbout()
{
	CAboutDlg aboutDlg;
	aboutDlg.DoModal();
}

/////////////////////////////////////////////////////////////////////////////
// CADODemoApp message handlers


int CADODemoApp::ExitInstance() 
{
	// TODO: Add your specialized code here and/or call the base class
	if (m_bATLInited)
	{
		CoUninitialize();
	}
	
	return CWinApp::ExitInstance();
}

BOOL CADODemoApp::ATLInit()
{
	m_bATLInited = TRUE;

#if _WIN32_WINNT >= 0x0400
	HRESULT hRes = CoInitializeEx(NULL, COINIT_MULTITHREADED);
#else
	HRESULT hRes = CoInitialize(NULL);
#endif

	if (FAILED(hRes))
	{
		m_bATLInited = FALSE;
		return FALSE;
	}

	return TRUE;
}

/*
//////////////////////////////////
	_bstr_t source("Driver={SQL Server};Server=JACKIE;Uid=sa;Pwd=jackie1127;Database=membership");
	_bstr_t user("admin");
	_bstr_t pwd("");

	HRESULT hr;
	try{
		hr = m_connection.CreateInstance(_uuidof(Connection));
		if(SUCCEEDED(hr))
			hr = m_connection->Open(source, user, pwd, 16);
		if(SUCCEEDED(hr))
			hr = m_recordset.CreateInstance(_uuidof(Recordset));
		if(SUCCEEDED(hr))
			hr = m_recordset->Open("select * from 会员", source, adOpenKeyset, adLockOptimistic,
									adCmdText);

		// get values
		_bstr_t strValue;
		strValue = m_recordset->Fields->Item["姓名"]->Value;  
	}
	catch(HRESULT hr){
		throw hr;
		return FALSE;
	}

//////////////////////////////////


*/