dlgdelflight.cpp

来自「1.解压后在sql2000中建立数据库flight,然后用本文件中的flight」· C++ 代码 · 共 73 行

// DlgDelFlight.cpp : implementation file
//

#include "stdafx.h"
#include "AirServer.h"
#include "DlgDelFlight.h"
#include "ADOConn.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CDlgDelFlight dialog


CDlgDelFlight::CDlgDelFlight(CWnd* pParent /*=NULL*/)
	: CDialog(CDlgDelFlight::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlgDelFlight)
	m_EdtNum = _T("");
	//}}AFX_DATA_INIT
}


void CDlgDelFlight::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlgDelFlight)
	DDX_Text(pDX, IDC_EdtNum, m_EdtNum);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDlgDelFlight, CDialog)
	//{{AFX_MSG_MAP(CDlgDelFlight)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlgDelFlight message handlers

void CDlgDelFlight::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData();
	ADOConn adoConn;
	adoConn.OnInitADOConn();
	_bstr_t vsql="select * from flights where flight_num='"+m_EdtNum+"'";
	_RecordsetPtr m_pRs;
	try{
		m_pRs=adoConn.GetRecordSet(vsql);
		if(m_pRs->adoEOF)
		{
			MessageBox("没有此航班,请重新输入!");
			return;
		}
	}catch(_com_error e){
		AfxMessageBox(e.Description());
	}
	vsql="delete flights where flight_num='"+m_EdtNum+"'";
	try{
		adoConn.ExecuteSQL(vsql);
	}catch(_com_error e){
		AfxMessageBox(e.Description());
		return;
	}
	adoConn.ExitConnect();
	MessageBox("删除航班成功");
	CDialog::OnOK();
}