yao.cpp

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

#include "stdafx.h"
#include "Yao.h"
#include "YaoDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CYaoApp

BEGIN_MESSAGE_MAP(CYaoApp, CWinApp)
	//{{AFX_MSG_MAP(CYaoApp)
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CYaoApp construction

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

/////////////////////////////////////////////////////////////////////////////
// The one and only CYaoApp object

CYaoApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CYaoApp initialization

BOOL CYaoApp::InitInstance()
{
	AfxEnableControlContainer();
		//初始化com环境
	::CoInitialize(NULL);
	//创建连接对象和记录集对象

	
		
	try
	{
		 m_pConnection.CreateInstance("ADODB.Connection");//创建Connection对象
		 m_pConnection->Open("driver={SQL Server};Server=JINANUNI-2D41A4;DATABASE=yyy;UID=;PWD=","","",adModeUnknown);
         
	}
	catch(_com_error e)///捕捉异常
	{
		CString errormessage;
		errormessage.Format("连接数据库失败!\r\n错误信息:%s",e.ErrorMessage());
		AfxMessageBox(errormessage);///显示错误信息
	}
	m_pRecordset.CreateInstance(__uuidof(Recordset));


	// 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




	CYaoDlg 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 CYaoApp::ExitInstance() 
{
	m_pConnection->Close();
	//还原com环境
	::CoUninitialize();

	return CWinApp::ExitInstance();
}