connectiondlg.cpp

这是一个数据库的动态查询的ＶＣ＋＋程序

/////////////////////////////////////////////////////////////////
//                                                             //
//                ConnectionDlg.cpp                            //
//     implementation of the CConnectionDlg class              //
//-------------------------------------------------------------//
//             By Eugene Khodakovsky                           //
//                  June, 2000                                 //
//             [e-mail]                               //
//            Last Update: April, 2002                         //
/////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "ConnectionDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CConnectionDlg dialog


CConnectionDlg::CConnectionDlg(CWnd* pParent,bool bOleDBSupport)
	: CDialog(CConnectionDlg::IDD, pParent),
	m_bOleDBSupport(bOleDBSupport)
{
	//{{AFX_DATA_INIT(CConnectionDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	m_strDataSourceCaption = m_bOleDBSupport ? _T("Server") : _T("DSN:");
}


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

	DDX_Text(pDX, IDC_STATIC_DATASOURCE_CAPTION,m_strDataSourceCaption);
	DDX_Text(pDX, IDC_EDIT_DSN_D,m_bOleDBSupport ? m_props.m_strServerName : m_props.m_strDSN);
	DDX_Text(pDX, IDC_EDIT_PWD_D,m_props.m_strPassword);
	DDX_Text(pDX, IDC_EDIT_UID_D,m_props.m_strLoginName);
	DDX_Text(pDX, IDC_EDIT_DATABASE_NAME,m_props.m_strDatabaseName);
}


BEGIN_MESSAGE_MAP(CConnectionDlg, CDialog)
	//{{AFX_MSG_MAP(CConnectionDlg)
	ON_EN_CHANGE(IDC_EDIT_DSN_D, OnChangeEdit)
	ON_EN_CHANGE(IDC_EDIT_PWD_D, OnChangeEdit)
	ON_EN_CHANGE(IDC_EDIT_UID_D, OnChangeEdit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CConnectionDlg message handlers

BOOL CConnectionDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	m_bInit = true;
	UpdateData(FALSE);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CConnectionDlg::OnOK()
{
	UpdateData();
	if(!IsValidPassword())
		return;
	CDialog::OnOK();
}

void CConnectionDlg::OnChangeEdit() 
{
	if(!m_bInit)
		return;
	UpdateData();
}

bool CConnectionDlg::IsValidPassword()
{
	return true;
}