deletecategoryscoresdlg.cpp

学生管理系统 学生管理系统

// DeleteCategoryScoresDlg.cpp : implementation file
//

#include "stdafx.h"
#include "学生成绩管理系统.h"
//以下是手工添加的
#include "ScoresRS1.h"
#include "DeleteSbAllScoresDlg.h"
#include "Public.h"
#include "BookEnterOneDlg.h"
//以上是手工添加的
#include "DeleteCategoryScoresDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDeleteCategoryScoresDlg dialog


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


void CDeleteCategoryScoresDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDeleteCategoryScoresDlg)
	DDX_CBString(pDX, IDC_DELETE_CATEGORY_SCORES, m_deleteCategoryScoresName);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDeleteCategoryScoresDlg, CDialog)
	//{{AFX_MSG_MAP(CDeleteCategoryScoresDlg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDeleteCategoryScoresDlg message handlers

void CDeleteCategoryScoresDlg::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData();
	int error=0;
	try{
		if (!m_scoresSet.IsOpen()){
			m_scoresSet.Open();
		}
		int error=0;
		if(m_deleteCategoryScoresName=="")
			throw error;
		//查询
		m_scoresSet.m_strFilter.Format("category='%s'",m_deleteCategoryScoresName);
		m_scoresSet.Requery();
		if (m_scoresSet.IsEOF()){
			AfxMessageBox("没有记录!");
		}
		else{
			while(!m_scoresSet.IsEOF()){
				m_scoresSet.Delete();
				m_scoresSet.m_strFilter.Format("category='%s'",m_deleteCategoryScoresName);
				m_scoresSet.Requery();
			}
			AfxMessageBox("完成清除!");
		}
		CDialog::OnOK();

	}
	catch(int)
	{	AfxMessageBox("请选择要删除的学生的种类!");}
}