bank_query_delete.cpp

很好的VC操作数据库的学习源码

// Bank_Query_Delete.cpp : implementation file
//

#include "stdafx.h"
#include "Testbank.h"
#include "Bank_Query_Delete.h"
#include "AdminBank.h"

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

/////////////////////////////////////////////////////////////////////////////
// Bank_Query_Delete dialog


Bank_Query_Delete::Bank_Query_Delete(CWnd* pParent /*=NULL*/)
	: CDialog(Bank_Query_Delete::IDD, pParent)
{
	//{{AFX_DATA_INIT(Bank_Query_Delete)
	m_bank_query_delete = _T("");
	//}}AFX_DATA_INIT
}


void Bank_Query_Delete::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(Bank_Query_Delete)
	DDX_Text(pDX, IDC_EDIT1, m_bank_query_delete);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(Bank_Query_Delete, CDialog)
	//{{AFX_MSG_MAP(Bank_Query_Delete)
	ON_BN_CLICKED(IDC_BTN_QUERY, OnBtnQuery)
	ON_BN_CLICKED(IDC_BTN_DELE, OnBtnDele)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// Bank_Query_Delete message handlers

void Bank_Query_Delete::OnBtnQuery() 
{
	// TODO: Add your control notification handler code here

	UpdateData();
	if(m_bank_query_delete=="")
		MessageBox("帐户号不能不空!");
	else

	{
		CString info;
	    info=adminbank.Query(m_bank_query_delete);
         MessageBox(info);
	}
	 m_bank_query_delete="";
		UpdateData(FALSE);

}

void Bank_Query_Delete::OnBtnDele() 
{
	// TODO: Add your control notification handler code here

	UpdateData();
	if(m_bank_query_delete=="")
		MessageBox("帐户号不能不空!");
	else
	{
	  if(-1==adminbank.Delete(m_bank_query_delete))
		  MessageBox("您删除的用户不存在!请核实!");
	  else
	  MessageBox("成功删除！");

	}

	  m_bank_query_delete="";
		UpdateData(FALSE);
	
}