studentclassr.cpp

用vc实现的连接sql数据库程序

// StudentClassR.cpp : implementation file
//

#include "stdafx.h"
#include "数据库作业.h"
#include "StudentClassR.h"

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

/////////////////////////////////////////////////////////////////////////////
// CStudentClassR dialog


CStudentClassR::CStudentClassR(CWnd* pParent /*=NULL*/)
	: CDialog(CStudentClassR::IDD, pParent)
{
	//{{AFX_DATA_INIT(CStudentClassR)
	m_sno = _T("");
	m_cno = 0;
	m_grade = 0;
	m_bDateStatus = FALSE;
	m_sWindowTitle = _T("添加学生信息");
	//}}AFX_DATA_INIT
}

void CStudentClassR::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CStudentClassR)
	DDX_Text(pDX, IDC_EDIT1, m_sno);
	DDX_Text(pDX, IDC_EDIT2, m_cno);
	DDX_Text(pDX, IDC_EDIT3, m_grade);
	DDV_MinMaxInt(pDX, m_grade, 0, 10000);
	//}}AFX_DATA_MAP
}


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

/////////////////////////////////////////////////////////////////////////////
// CStudentClassR message handlers

void CStudentClassR::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData();
	if (CheckDate())
	{
		m_date.cno = m_cno;
		m_date.sno = m_sno;
		m_date.grade = m_grade;
		m_bDateStatus = TRUE;
		CDialog::OnOK();
	}
}

scinfo CStudentClassR::GetDate() const
{
	return m_date;
}

BOOL CStudentClassR::GetDateStatus() const
{
	return m_bDateStatus;
}

BOOL CStudentClassR::CheckDate()
{
	CString sErr;
	if(m_sno.IsEmpty())
	{
		sErr += "学号必须输入";
		AfxMessageBox(sErr);
		return FALSE;
	}
	if (m_cno==0)
	{
		sErr += "课程号号必须输入";
		AfxMessageBox(sErr);
		return FALSE;
	}
	return TRUE;
}

void CStudentClassR::SetDate(scinfo date)
{
	m_cno = date.cno;
	m_sno = date.sno;
	m_grade = date.grade;
}

BOOL CStudentClassR::OnInitDialog() 
{
	CDialog::OnInitDialog();
	SetWindowText(m_sWindowTitle);
	// TODO: Add extra initialization here
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}