📄 bookinfo.cpp
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// BookInfo.cpp : implementation file
//
#include "stdafx.h"
#include "train.h"
#include "BookInfo.h"
#include "BookSet.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CBookInfo dialog
CBookInfo::CBookInfo(CWnd* pParent /*=NULL*/)
: CDialog(CBookInfo::IDD, pParent)
{
//{{AFX_DATA_INIT(CBookInfo)
m_name = _T("");
m_author = _T("");
m_courseid = 0;
m_quantity = 0;
m_price = 0.0;
//}}AFX_DATA_INIT
}
void CBookInfo::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CBookInfo)
DDX_Text(pDX, IDC_EDIT1, m_name);
DDX_Text(pDX, IDC_EDIT2, m_author);
DDX_Text(pDX, IDC_EDIT3, m_courseid);
DDX_Text(pDX, IDC_EDIT4, m_quantity);
DDX_Text(pDX, IDC_EDIT5, m_price);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CBookInfo, CDialog)
//{{AFX_MSG_MAP(CBookInfo)
ON_BN_CLICKED(IDC_BUTTONRESET, OnButtonreset)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CBookInfo message handlers
void CBookInfo::OnOK()
{
// TODO: Add extra validation here
UpdateData(TRUE);
CString strSQL;
// CResourceSet m_recordset(&m_database);
int i=1;
int flag=0;
while(!flag){
CBookSet m_recordset(&m_database);
strSQL.Format("select * from BOOK where BOOK_ID=%d",i);
m_recordset.Open(AFX_DB_USE_DEFAULT_TYPE,strSQL);
if(m_recordset.GetRecordCount()==0){
strSQL.Format("insert into BOOK values(%d,\'%s\',\'%s\',%d,%d,%d,%f)",i,m_name,m_author,0,m_courseid,m_quantity,m_price);
m_database.ExecuteSQL(strSQL);
m_database.Close();
CDialog::OnOK();
flag=1;
}
i++;
//m_recordset.Delete();
}
CDialog::OnOK();
}
void CBookInfo::OnCancel()
{
// TODO: Add extra cleanup here
m_database.Close();
CDialog::OnCancel();
}
void CBookInfo::OnButtonreset()
{
// TODO: Add your control notification handler code here
m_name.Empty();
m_courseid=0;
m_quantity=0;
m_price=0;
m_author.Empty();
UpdateData(FALSE);
}
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