deletesubjectscoresdlg.cpp

学生管理系统 学生管理系统

// DeleteSubjectScoresDlg.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"
//以上是手工添加的
#include "DeleteSubjectScoresDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDeleteSubjectScoresDlg dialog


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


void CDeleteSubjectScoresDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDeleteSubjectScoresDlg)
	DDX_Text(pDX, IDC_DELETE_SUBJECT_NAME, m_deleteSubjectName);
	//}}AFX_DATA_MAP
}


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

/////////////////////////////////////////////////////////////////////////////
// CDeleteSubjectScoresDlg message handlers

void CDeleteSubjectScoresDlg::OnOK() 
{
	// TODO: Add extra validation here
	CDeleteSbAllScoresDlg del;
	UpdateData();
	CString pre_name="subject";
	if (!m_scoresSet.IsOpen()){
		m_scoresSet.Open();
	}
	try{
		int error=0;
		if(m_deleteSubjectName=="")
			throw error;
		//查询
		m_scoresSet.m_strFilter.Format("subject='%s'",m_deleteSubjectName);
		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("subject='%s'",m_deleteSubjectName);
				m_scoresSet.Requery();
			}
			AfxMessageBox("完成清除!");
		}
		CDialog::OnOK();
	}
	catch(int)
	{
		AfxMessageBox("请输入学科的名字!");
	}
//	CDialog::OnOK();
}