studentview.cpp

通过ODBC数据源访问数据库（ACCESS）

// StudentView.cpp : implementation of the CStudentView class
//

#include "stdafx.h"
#include "Student.h"

#include "StudentSet.h"
#include "StudentDoc.h"
#include "StudentView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CStudentView

IMPLEMENT_DYNCREATE(CStudentView, CRecordView)

BEGIN_MESSAGE_MAP(CStudentView, CRecordView)
	//{{AFX_MSG_MAP(CStudentView)
	
	ON_BN_CLICKED(IDC_BUTTON_ADDNEW, OnButtonAddnew)
	ON_BN_CLICKED(IDC_BUTTON_DELETE, OnButtonDelete)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CRecordView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CRecordView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CRecordView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CStudentView construction/destruction

CStudentView::CStudentView()
	: CRecordView(CStudentView::IDD)
{
	//{{AFX_DATA_INIT(CStudentView)
	m_pSet = NULL;
	//}}AFX_DATA_INIT
	// TODO: add construction code here

}

CStudentView::~CStudentView()
{
}

void CStudentView::DoDataExchange(CDataExchange* pDX)
{
	CRecordView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CStudentView)
	DDX_FieldText(pDX, IDC_EDIT_name, m_pSet->m_column1, m_pSet);
	DDV_MaxChars(pDX, m_pSet->m_column1, 50);
	DDX_FieldText(pDX, IDC_EDIT_dis, m_pSet->m_column2, m_pSet);
	DDV_MaxChars(pDX, m_pSet->m_column2, 50);
	DDX_FieldText(pDX, IDC_EDIT_age, m_pSet->m_column3, m_pSet);
	DDV_MinMaxLong(pDX, m_pSet->m_column3, 0, 50);
	DDX_FieldText(pDX, IDC_EDIT_addr, m_pSet->m_column4, m_pSet);
	DDV_MaxChars(pDX, m_pSet->m_column4, 50);
	DDX_FieldText(pDX, IDC_EDIT_phone, m_pSet->m_column5, m_pSet);
	DDV_MinMaxLong(pDX, m_pSet->m_column5, 0, 200);
	DDX_FieldText(pDX, IDC_EDIT_email, m_pSet->m_column6, m_pSet);
	DDV_MaxChars(pDX, m_pSet->m_column6, 50);
	DDX_FieldText(pDX, IDC_EDIT_hobby, m_pSet->m_column7, m_pSet);
	DDV_MaxChars(pDX, m_pSet->m_column7, 50);
	//}}AFX_DATA_MAP
}

BOOL CStudentView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CRecordView::PreCreateWindow(cs);
}

void CStudentView::OnInitialUpdate()
{
	m_pSet = &GetDocument()->m_studentSet;
	CRecordView::OnInitialUpdate();
	GetParentFrame()->RecalcLayout();
	ResizeParentToFit();

}

/////////////////////////////////////////////////////////////////////////////
// CStudentView printing

BOOL CStudentView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CStudentView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CStudentView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CStudentView diagnostics

#ifdef _DEBUG
void CStudentView::AssertValid() const
{
	CRecordView::AssertValid();
}

void CStudentView::Dump(CDumpContext& dc) const
{
	CRecordView::Dump(dc);
}

CStudentDoc* CStudentView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CStudentDoc)));
	return (CStudentDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CStudentView database support
CRecordset* CStudentView::OnGetRecordset()
{
	return m_pSet;
}


/////////////////////////////////////////////////////////////////////////////
// CStudentView message handlers



void CStudentView::OnButtonAddnew() 
{
	// TODO: Add your control notification handler code here
	m_pSet->AddNew();
	UpdateData(FALSE);
}

void CStudentView::OnButtonDelete() 
{
	// TODO: Add your control notification handler code here
	m_pSet->Delete();
	m_pSet->MoveNext();
	if(m_pSet->IsEOF())
		m_pSet->MoveLast();
	if(m_pSet->IsBOF())
		m_pSet->SetFieldNull(NULL);
	UpdateData(FALSE);
}