?? charge.cpp
字號:
// charge.cpp : Defines the class behaviors for the application.
//
#include "stdafx.h"
#include "charge.h"
#include "chargeDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CChargeApp
BEGIN_MESSAGE_MAP(CChargeApp, CWinApp)
//{{AFX_MSG_MAP(CChargeApp)
// 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()
/////////////////////////////////////////////////////////////////////////////
// CChargeApp construction
CChargeApp::CChargeApp()
{
// TODO: add construction code here,
// Place all significant initialization in InitInstance
}
/////////////////////////////////////////////////////////////////////////////
// The one and only CChargeApp object
CChargeApp theApp;
/////////////////////////////////////////////////////////////////////////////
// CChargeApp initialization
BOOL CChargeApp::InitInstance()
{
AfxOleInit();//初始化COM庫
AfxEnableControlContainer();
//以下是連接access2000數據庫。。。
HRESULT hr;
try
{
hr = m_pConnection.CreateInstance("ADODB.Connection");///創建Connection對象
if(SUCCEEDED(hr))
{
m_pConnection->ConnectionTimeout=3;///設置超時時間為3秒
hr = m_pConnection->Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=test.mdb;","","",adModeUnknown);
///連接數據庫
///上面一句中連接字串中的Provider是針對ACCESS2000環境的,對于ACCESS97,需要改為:Provider=Microsoft.Jet.OLEDB.3.51; }
}
}
catch(_com_error e)///捕捉異常
{
CString temp;
temp.Format("連接數據庫錯誤信息:%s",e.ErrorMessage());
::MessageBox(NULL,temp,"提示信息",NULL);
return false;
}
#ifdef _AFXDLL
Enable3dControls(); // Call this when using MFC in a shared DLL
#else
Enable3dControlsStatic(); // Call this when linking to MFC statically
#endif
CChargeDlg 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 CChargeApp::ExitInstance()
{
// TODO: Add your specialized code here and/or call the base class
if(m_pConnection->State)
m_pConnection->Close(); ///如果已經打開了連接則關閉它
return CWinApp::ExitInstance();
}
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