ljmd.cpp

零件交易系统 零件交易中心管理系统主要提供顾客和供应商之间完成零件交易的功能

// LJMD.cpp : implementation file
//

#include "stdafx.h"
#include "Toolmangne.h"
#include "LJMD.h"

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

/////////////////////////////////////////////////////////////////////////////
// LJMD dialog

extern CToolmangneApp theApp;
extern CString        UserId;
LJMD::LJMD(CWnd* pParent /*=NULL*/)
	: CDialog(LJMD::IDD, pParent)
{
	//{{AFX_DATA_INIT(LJMD)
	m_reasch = _T("");
	m_id = _T("");
	m_name = _T("");
	m_color = _T("");
	m_weight = _T("");
	m_info = _T("");
	//}}AFX_DATA_INIT
}


void LJMD::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(LJMD)
	DDX_Text(pDX, IDC_EDIT1, m_reasch);
	DDX_Text(pDX, IDC_EDIT2, m_id);
	DDX_Text(pDX, IDC_EDIT3, m_name);
	DDX_Text(pDX, IDC_EDIT4, m_color);
	DDX_Text(pDX, IDC_EDIT5, m_weight);
	DDX_Text(pDX, IDC_EDIT6, m_info);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(LJMD, CDialog)
	//{{AFX_MSG_MAP(LJMD)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// LJMD message handlers

void LJMD::OnButton2() 
{
	
	//CDialog::OnOK();
	UpdateData();
	CString sql = "delete from Part where ID = " +m_reasch;
	// TODO: Add extra validation here
	_RecordsetPtr	m_pRecordset;
	 m_pRecordset.CreateInstance(__uuidof(Recordset));
	 try
	 {
		 m_pRecordset->Open(_variant_t(sql),                // 查询DemoTable表中所有字段
			 theApp.m_pConnection.GetInterfacePtr(),	  // 获取库接库的IDispatch指针
			 adOpenDynamic,
			 adLockOptimistic,
			 adCmdText);
	 }
	 catch(_com_error *e)
	 {
		 AfxMessageBox(e->ErrorMessage());
	 }   
	 AfxMessageBox("删除数据成功");
	 m_id ="";
	 m_name="";
	 m_color="";
	 m_weight="";
	 m_info="";
	 UpdateData(false);
	 //m_pRecordset->Close();
	 //m_pRecordset = NULL;
	// TODO: Add your control notification handler code here

}

void LJMD::OnButton1() 
{

	// TODO: Add your control notification handler code here
	UpdateData();
	CString sql = "delete from Part where ID = " +m_reasch;
	// TODO: Add extra validation here
	_RecordsetPtr	m_pRecordset;
	 m_pRecordset.CreateInstance(__uuidof(Recordset));
	 try
	 {
		 m_pRecordset->Open(_variant_t(sql),                // 查询DemoTable表中所有字段
			 theApp.m_pConnection.GetInterfacePtr(),	  // 获取库接库的IDispatch指针
			 adOpenDynamic,
			 adLockOptimistic,
			 adCmdText);
	 }
	 catch(_com_error *e)
	 {
		 AfxMessageBox(e->ErrorMessage());
	 }
	 sql = "insert into Part values('"+ m_id +"','"+ m_color+"','"+m_name+"','"+ m_weight+"','"+m_info+"')";
	// TODO: Add extra validation here
	 m_pRecordset.CreateInstance(__uuidof(Recordset));
	 try
	 {
		 m_pRecordset->Open(_variant_t(sql),                // 查询DemoTable表中所有字段
			 theApp.m_pConnection.GetInterfacePtr(),	  // 获取库接库的IDispatch指针
			 adOpenDynamic,
			 adLockOptimistic,
			 adCmdText);
	 }
	 catch(_com_error *e)
	 {
		 AfxMessageBox(e->ErrorMessage());
	 }   
	 AfxMessageBox("修改数据成功");
	 //m_pRecordset->Close();
	 //m_pRecordset = NULL;
	//CDialog::OnOK();
}

void LJMD::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData();
	CString sql = "select * from Part where ID ="+m_reasch;
	// TODO: Add extra validation here
	_RecordsetPtr	m_pRecordset;
	 m_pRecordset.CreateInstance(__uuidof(Recordset));
	 try
	 {
		 m_pRecordset->Open(_variant_t(sql),                // 查询DemoTable表中所有字段
			 theApp.m_pConnection.GetInterfacePtr(),	  // 获取库接库的IDispatch指针
			 adOpenDynamic,
			 adLockOptimistic,
			 adCmdText);
	 
	 _variant_t var;
	 if(!m_pRecordset->BOF)
		 m_pRecordset->MoveFirst();
	 else
	 {
		 AfxMessageBox("没有你查找的数据");
		 return ;
	 }			
	 // 读入库中各字段并加入列表框中
	 while(!m_pRecordset->adoEOF)
	 {
		 var = m_pRecordset->GetCollect("ID");
		 if(var.vt != VT_NULL)
			 m_id = (LPCSTR)_bstr_t(var);
		 var = m_pRecordset->GetCollect("Color");
		 if(var.vt != VT_NULL)
			 m_color = (LPCSTR)_bstr_t(var);
		 var = m_pRecordset->GetCollect("Name");
		 if(var.vt != VT_NULL)
			 m_name = (LPCSTR)_bstr_t(var);
		 var = m_pRecordset->GetCollect("Weight");
		 if(var.vt != VT_NULL)
			 m_weight = (LPCSTR)_bstr_t(var);
		 var = m_pRecordset->GetCollect("Intro");
		 if(var.vt != VT_NULL)
			 m_info = (LPCSTR)_bstr_t(var);
		 m_pRecordset->MoveNext();
	 }
	 }
	 catch(_com_error *e)
	 {
		 AfxMessageBox(e->ErrorMessage());
	 }   	
	 UpdateData(false);
	 m_pRecordset->Close();
	 m_pRecordset = NULL;
}