www.gusucode.com > 一个VC++课程管理程序,MSSQL数据库-源码程序 > 一个VC++课程管理程序,MSSQL数据库-源码程序\code\SourceCode\YDMS.cpp

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

#include "stdafx.h"
#include "YDMS.h"
#include "YDMSDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CYDMSApp

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

/////////////////////////////////////////////////////////////////////////////
// CYDMSApp construction

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

/////////////////////////////////////////////////////////////////////////////
// The one and only CYDMSApp object

CYDMSApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CYDMSApp initialization

BOOL CYDMSApp::InitInstance()
{
	AfxEnableControlContainer();

	//使用函数AfxOleInit()初始化OLE/COM库环境
	AfxOleInit();

	//创建ADO连接
	m_pConnection.CreateInstance(__uuidof(Connection));

	//在ADO操作中建议语句中要常用try...catch()来捕获错误信息,
	//因为它有时会经常出现一些想不到的错误
	try                 
	{	
		//打开SQL库YJSHData
		m_pConnection->Open("driver={SQL Server};Server=localhost;DATABASE=YJSHData;UID=sa;PWD=","","",adModeUnknown);
	}
	catch(_com_error e)
	{
		AfxMessageBox("数据库连接失败,确认数据库是否在当前路径下!");
		return FALSE;
	}

	// 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

	CYDMSDlg 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;
}