deletedlg.cpp

火车票预定系统

// deletedlg.cpp : implementation file
//

#include "stdafx.h"
#include "ticketbook.h"
#include "deletedlg.h"
#include "ticketset.h"

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

/////////////////////////////////////////////////////////////////////////////
// deletedlg dialog


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


void deletedlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(deletedlg)
	DDX_Text(pDX, IDC_deleteno, m_trainno);
	//}}AFX_DATA_MAP
}


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

/////////////////////////////////////////////////////////////////////////////
// deletedlg message handlers

void deletedlg::OnOK() 
{
ticketset set;
this->UpdateData(true);
set.Open(CRecordset::dynaset,_T("select * from traininfo where trainNO='"+m_trainno+"'"));
if(set.MyGetRecordCount()<=0)
  {::MessageBox(NULL,"没有该车次！","登录错误",MB_ICONINFORMATION);
   return;
  }
else{set.Close();
set.Open(CRecordset::dynaset,_T("select * from traininfo"));
set.MoveFirst();
while(!set.IsEOF())
{if(set.m_trainNO==m_trainno)
set.Delete();
set.MoveNext();	}
::MessageBox(NULL,"该车次已经成功删除！","信息",MB_ICONINFORMATION);
set.Close();

}
}