deptinfo.cpp

< Visual C+++SQL Server数据库开发与实例>>一书中的实例核心源程序提供了几个案例的编程源代码。

// DeptInfo.cpp : implementation file
//

#include "stdafx.h"
#include "train.h"
#include "DeptInfo.h"
#include "DeptSet.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDeptInfo dialog


CDeptInfo::CDeptInfo(CWnd* pParent /*=NULL*/)
	: CDialog(CDeptInfo::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDeptInfo)
	m_name = _T("");
	m_managerid = 0;
	m_viceid = 0;
	//}}AFX_DATA_INIT
}


void CDeptInfo::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDeptInfo)
	DDX_Text(pDX, IDC_EDIT1, m_name);
	DDX_Text(pDX, IDC_EDIT2, m_managerid);
	DDX_Text(pDX, IDC_EDIT3, m_viceid);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDeptInfo, CDialog)
	//{{AFX_MSG_MAP(CDeptInfo)
	ON_BN_CLICKED(IDC_BUTTONRESET, OnButtonreset)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDeptInfo message handlers

void CDeptInfo::OnCancel() 
{
	// TODO: Add extra cleanup here
	m_database.Close();
	CDialog::OnCancel();
}

void CDeptInfo::OnButtonreset() 
{
	// TODO: Add your control notification handler code here
	m_managerid=0;
	m_viceid=0;
	m_name.Empty();
}

void CDeptInfo::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData(TRUE);
	CString strSQL;
//	CResourceSet m_recordset(&m_database);
	int i=1;
	int flag=0;
	while(!flag){
		CDeptSet m_recordset(&m_database);
		strSQL.Format("select * from DEPT where DEPT_ID=%d",i);
		m_recordset.Open(AFX_DB_USE_DEFAULT_TYPE,strSQL);
		if(m_recordset.GetRecordCount()==0){
			strSQL.Format("insert into DEPT values(%d,\'%s\',%d,%d)",i,m_name,m_managerid,m_viceid);
			m_database.ExecuteSQL(strSQL);
			m_database.Close();
			CDialog::OnOK();
			flag=1;
		}
		i++;
		//m_recordset.Delete();
	}	
	CDialog::OnOK();
}