oleodbcview.cpp

< Visual C++数据库经典开发实例精解>>的实例源码

// OleOdbcView.cpp : implementation of the COleOdbcView class
//

#include "stdafx.h"
#include "OleOdbc.h"

#include "OleOdbcSet.h"
#include "OleOdbcDoc.h"
#include "OleOdbcView.h"

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

/////////////////////////////////////////////////////////////////////////////
// COleOdbcView

IMPLEMENT_DYNCREATE(COleOdbcView, COleDBRecordView)

BEGIN_MESSAGE_MAP(COleOdbcView, COleDBRecordView)
	//{{AFX_MSG_MAP(COleOdbcView)
	ON_BN_CLICKED(IDC_BUTTON_DELETE, OnButtonDelete)
	ON_BN_CLICKED(IDC_BUTTON_INSERT, OnButtonInsert)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, COleDBRecordView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, COleDBRecordView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, COleDBRecordView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// COleOdbcView construction/destruction

COleOdbcView::COleOdbcView()
	: COleDBRecordView(COleOdbcView::IDD)
{
	//{{AFX_DATA_INIT(COleOdbcView)
	m_pSet = NULL;

	//}}AFX_DATA_INIT
	// TODO: add construction code here

}

COleOdbcView::~COleOdbcView()
{
}

void COleOdbcView::DoDataExchange(CDataExchange* pDX)
{
	COleDBRecordView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(COleOdbcView)
	DDX_Text(pDX,IDC_EDIT_USERID,m_pSet->m_userid,m_pSet);
	DDX_Text(pDX,IDC_EDIT_PASSWORD,m_pSet->m_password,m_pSet);
	//}}AFX_DATA_MAP
}

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

	return COleDBRecordView::PreCreateWindow(cs);
}

void COleOdbcView::OnInitialUpdate()
{
	m_pSet = &GetDocument()->m_oleOdbcSet;
	{
		CWaitCursor wait;
		HRESULT hr = m_pSet->Open();
		if (hr != S_OK)
		{
			AfxMessageBox(_T("Record set failed to open."), MB_OK);
			// Disable the Next and Previous record commands,
			// since attempting to change the current record without an
			// open RecordSet will cause a crash.
			m_bOnFirstRecord = TRUE;
			m_bOnLastRecord = TRUE;
		}				
	}
	COleDBRecordView::OnInitialUpdate();

}

/////////////////////////////////////////////////////////////////////////////
// COleOdbcView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// COleOdbcView diagnostics

#ifdef _DEBUG
void COleOdbcView::AssertValid() const
{
	COleDBRecordView::AssertValid();
}

void COleOdbcView::Dump(CDumpContext& dc) const
{
	COleDBRecordView::Dump(dc);
}

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

/////////////////////////////////////////////////////////////////////////////
// COleOdbcView database support
CRowset* COleOdbcView::OnGetRowset()
{
	return m_pSet;
}


/////////////////////////////////////////////////////////////////////////////
// COleOdbcView message handlers

void COleOdbcView::OnButtonDelete() 
{
	// TODO: Add your control notification handler code here
	
}

void COleOdbcView::OnButtonInsert() 
{
	// TODO: Add your control notification handler code here
	
}