ADO数据库操作

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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() ; }

　　

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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() ; }

　　

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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(); }