ADO数据库操作

void CSjtestDlg::OnBnClickedButtonAdd()
{
	// TODO: 在此添加控件通知处理程序代码
	this->ShowWindow(SW_HIDE);
	DigAdd dig ;
	dig.DoModal() ;
	this->ShowWindow(SW_SHOW);
	m_Grid.DeleteAllItems() ;
	ADOConn m_Adoconn ;
	   m_Adoconn.OnInitADOConn() ;
	   CString sql ;
	   sql.Format(_T("select * from employees order by 员工编号 desc"))  ;
	   m_Adoconn.m_pRecordset = m_Adoconn.GetRecordSet((_bstr_t)sql) ;
	   while(! m_Adoconn.m_pRecordset->adoEOF)
       {
              m_Grid.InsertItem(0,_T(""));
			  m_Grid.SetItemText(0,0,(_bstr_t)m_Adoconn.m_pRecordset->GetCollect(_T("员工编号")));
              m_Grid.SetItemText(0,1,(_bstr_t)m_Adoconn.m_pRecordset->GetCollect(_T("员工姓名")));
              m_Grid.SetItemText(0,2,(_bstr_t)m_Adoconn.m_pRecordset->GetCollect(_T("所属部门")));
              m_Grid.SetItemText(0,3,(_bstr_t)m_Adoconn.m_pRecordset->GetCollect(_T("基本工资")));
              //将记录集指针移动到下一条记录
             m_Adoconn.m_pRecordset->MoveNext();
       }
	   m_Adoconn.ExitConnect() ;
}

　　

void CSjtestDlg::OnBnClickedButtonDelete()
{
	// TODO: 在此添加控件通知处理程序代码
	int indx = m_Grid.GetSelectionMark() ;//选中序号
	CString  str = m_Grid.GetItemText(indx,1) ;
	if(indx < 0)
      return ;
	CString info ;
	for(int i = 0 ; i < 4 ; i++){
		info += m_Grid.GetItemText(indx,i) ;
        info += _T("\n") ;
	}
    if(AfxMessageBox(info,MB_OKCANCEL,MB_ICONQUESTION) != IDOK)
        return ;
	ADOConn m_adoconn ;
	m_adoconn.OnInitADOConn() ;
	CString sql ;
	sql.Format(_T("Delete from employees where 员工姓名 = '%s' "),str) ;
	m_adoconn.ExecuteSQL((_bstr_t)sql) ;
	m_Grid.DeleteAllItems() ;
    sql.Format(_T("select * from employees order by 员工编号 desc"))  ;
    m_adoconn.m_pRecordset = m_adoconn.GetRecordSet((_bstr_t)sql) ;

	   while(! m_adoconn.m_pRecordset->adoEOF)
       {
              m_Grid.InsertItem(0,_T(""));
			  m_Grid.SetItemText(0,0,(_bstr_t)m_adoconn.m_pRecordset->GetCollect(_T("员工编号")));
              m_Grid.SetItemText(0,1,(_bstr_t)m_adoconn.m_pRecordset->GetCollect(_T("员工姓名")));
              m_Grid.SetItemText(0,2,(_bstr_t)m_adoconn.m_pRecordset->GetCollect(_T("所属部门")));
              m_Grid.SetItemText(0,3,(_bstr_t)m_adoconn.m_pRecordset->GetCollect(_T("基本工资")));
              //将记录集指针移动到下一条记录
             m_adoconn.m_pRecordset->MoveNext();
       }

	   m_adoconn.ExitConnect() ;
}

　　

void DigAdd::OnBnClickedOk(){
	// TODO: 在此添加控件通知处理程序代码
	UpdateData() ;
	CString sql ,x;

	ADOConn m_Adocon ;
	m_Adocon.OnInitADOConn() ;
	  sql.Format(_T("select * from employees order by 员工编号 desc"))  ;
	m_Adocon.m_pRecordset = m_Adocon.GetRecordSet((_bstr_t)sql) ;
	int Size = 0 ;
	while(! m_Adocon.m_pRecordset->adoEOF){
	     Size++ ;
		 m_Adocon.m_pRecordset->MoveNext() ;
	}
	x.Format(_T("%d"),Size) ;
    sql.Format(_T(" insert into employees (员工编号 ,员工姓名 , 所属部门 , 基本工资) \
               values('%d' , '%s', '%s', '%s') "),1 + Size  , this->m_name , this->m_bumen , this->m_money);
	m_Adocon.ExecuteSQL((_bstr_t)sql) ;
	MessageBox(x) ;
	m_Adocon.ExitConnect() ;
 	CDialog::OnOK();
}