【VC开源代码栏目提醒】:网学会员,鉴于大家对VC开源代码十分关注,论文会员在此为大家搜集整理了“7313.cpp”一文,供大家参考学习!
// 7 3 13.cpp : Defines the class behaviors for the application.
//
#include "stdafx.h"
#include "7 3 13.h"
#include "7 3 13Dlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CMy7313App
BEGIN_MESSAGE_MAP(CMy7313App, CWinApp)
//{{AFX_MSG_MAP(CMy7313App)
// 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()
/////////////////////////////////////////////////////////////////////////////
// CMy7313App construction
CMy7313App::CMy7313App()
{
// TODO: add construction code here,
// Place all significant initialization in InitInstance
}
/////////////////////////////////////////////////////////////////////////////
// The one and only CMy7313App object
CMy7313App theApp;
/////////////////////////////////////////////////////////////////////////////
// CMy7313App initialization
BOOL CMy7313App::InitInstance()
{
AfxEnableControlContainer();
AfxOleInit();///初始化COM库
////////////连接数据库//////////////
HRESULT hr;
try
{
hr = m_pConnection.CreateInstance("ADODB.Connection");///创建Connection对象
if(SUCCEEDED(hr))
{
hr = m_pConnection->Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Data.mdb","","",adModeUnknown);///连接数据库
///上面一句中连接字串中的Provider是针对ACCESS2000环境的,对于ACCESS97,需要改为:Provider=Microsoft.Jet.OLEDB.3.51; }
}
}
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
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
CMy7313Dlg 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 CMy7313App::ExitInstance()
{
// TODO: Add your specialized code here and/or call the base class
if(m_pConnection->State)
m_pConnection->Close(); ///如果已经打开了连接则关闭它
return CWinApp::ExitInstance();
}