cclass.cpp

一个很好的VC源代码

// CClass.cpp : implementation file
//

#include "stdafx.h"
#include "aoManage.h"
#include "CClass.h"
#include "MainFrm.h"
#include "SearchC.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCClass dialog


CCClass::CCClass(CWnd* pParent /*=NULL*/)
	: CParentDlg(CCClass::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCClass)
	m_strCode = _T("");
	m_strName = _T("");
	//}}AFX_DATA_INIT
	m_pCClass=new CDaoRecordset(&((CMainFrame*)AfxGetMainWnd())->m_db);
}


void CCClass::DoDataExchange(CDataExchange* pDX)
{
	CParentDlg::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCClass)
	DDX_Text(pDX, IDC_EDIT1, m_strCode);
	DDV_MaxChars(pDX, m_strCode, 2);
	DDX_Text(pDX, IDC_EDIT2, m_strName);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CCClass, CParentDlg)
	//{{AFX_MSG_MAP(CCClass)
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_WM_CLOSE()
	ON_BN_CLICKED(IDC_BUTTON5, OnButton5)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCClass message handlers

BOOL CCClass::OnInitDialog() 
{
	CParentDlg::OnInitDialog();
	
	m_pCClass->Open(AFX_DAO_USE_DEFAULT_TYPE,"select * from cclass");
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CCClass::OnButton1() 
{
	UpdateData(TRUE);
	if (!m_strCode.GetLength()||!m_strName.GetLength())
	{
		MessageBox("分类号和名称不能为空");
		return;
	}
	CString strFilter="code ='"+m_strCode+"' or name='"+m_strName+"'";
	if (m_pCClass->FindFirst(strFilter))
	{
		MessageBox("分类号或名称已存在，请选择另外未注册的");
		return;
	}
	m_pCClass->AddNew();
	m_pCClass->SetFieldValue("code",(LPCTSTR)m_strCode);
	m_pCClass->SetFieldValue("name",(LPCTSTR)m_strName);
	m_pCClass->Update();
	MessageBox("已成功添加");
	m_strCode="";
	m_strName="";
	UpdateData(FALSE);
}

void CCClass::OnButton2() 
{
	OnCancel();
}

void CCClass::OnClose() 
{
	if (m_pCClass->IsOpen())
		m_pCClass->Close();
	CParentDlg::OnClose();
}


void CCClass::OnButton5() 
{
	OnCancel();
	CSearchC dlg;
	dlg.DoModal();
}