dlgupdatetrain.cpp

简易火车售票系统

// DlgUpdatetrain.cpp : implementation file
//

#include "stdafx.h"
#include "Train.h"
#include "TrainSet.h"
#include "DlgUpdatetrain.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDlgUpdatetrain dialog


CDlgUpdatetrain::CDlgUpdatetrain(CWnd* pParent /*=NULL*/)
	: CDialog(CDlgUpdatetrain::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlgUpdatetrain)
	m_updatetrainno = _T("");
	m_updatetrains = _T("");
	m_updatetraint = _T("");
	m_updatetraint1 = _T("");
	m_updatetraint2 = _T("");
	m_updatetraintype = _T("");
	m_updatetrainz = _T("");
	//}}AFX_DATA_INIT
}


void CDlgUpdatetrain::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlgUpdatetrain)
	DDX_Text(pDX, IDC_UPDATE_TRAIN_NO, m_updatetrainno);
	DDX_Text(pDX, IDC_UPDATE_TRAIN_S, m_updatetrains);
	DDX_Text(pDX, IDC_UPDATE_TRAIN_T, m_updatetraint);
	DDX_Text(pDX, IDC_UPDATE_TRAIN_T1, m_updatetraint1);
	DDX_Text(pDX, IDC_UPDATE_TRAIN_T2, m_updatetraint2);
	DDX_Text(pDX, IDC_UPDATE_TRAIN_TYPE, m_updatetraintype);
	DDX_Text(pDX, IDC_UPDATE_TRAIN_Z, m_updatetrainz);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDlgUpdatetrain, CDialog)
	//{{AFX_MSG_MAP(CDlgUpdatetrain)
	ON_BN_CLICKED(IDC_UPDATE_TRAIN_CANCEL, OnUpdateTrainCancel)
	ON_BN_CLICKED(IDC_UPDATE_TRAIN_OK, OnUpdateTrainOk)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlgUpdatetrain message handlers

void CDlgUpdatetrain::OnUpdateTrainCancel() 
{
	// TODO: Add your control notification handler code here
	CDialog::OnCancel();
	
}

void CDlgUpdatetrain::OnUpdateTrainOk() 
{
	// TODO: Add your control notification handler code here
	UpdateData();
	CTrainSet set;
	CDatabase db;
	if(m_updatetrainno.GetLength()<=0||m_updatetraintype.GetLength()<=0||m_updatetrains.GetLength()<=0
		||m_updatetrainz.GetLength()<=0||m_updatetraint.GetLength()<=0
		||m_updatetraint1.GetLength()<=0||m_updatetraint2.GetLength()<=0)
	{
		AfxMessageBox("信息不能为空!");
		return;
	}

	try
	{
		if(set.IsOpen())
			set.Close();
		set.m_strFilter.Format("trainno='%s'",m_updatetrainno);
		set.Open(CRecordset::snapshot,NULL,CRecordset::none);
		if(!set.IsEOF())
		{
			set.Close();
			AfxMessageBox("该车次已经存在!");
			return;
		}

		set.AddNew();
		set.m_trainno=m_updatetrainno;
		set.m_s=m_updatetrains;
		set.m_z=m_updatetrainz;
		set.m_type=m_updatetraintype;
		set.m_T1=m_updatetraint1;
		set.m_T2=m_updatetraint2;
		set.m_updateT=m_updatetraint;


		if(set.CanUpdate())
		{
			set.Update();
		}
		if(set.IsOpen())
		{
			set.Close();
		}
		AfxMessageBox("列车信息修改成功!");
		CDialog::OnOK();
	}
	catch(CDBException* pe)
	{
		pe->ReportError();
		return;
	}

	CDialog::OnOK();

	
 
}