vc++学生选课系统开发 sql 操作数据库添加数据 管理员对学生信息的添加

void CKCADDDlg::OnOK()
{
// TODO: Add extra validation here
UpdateData(TRUE);
CADO  ado;

//CLoginDlg mydlg;

//设置查询字符串
//CString str;
//str= "select * from student_xuanke";
//创建记录集指针对象实例
//m_pRecordset.CreateInstance(__uuidof(Recordset));
//_RecordsetPtr pRS = ado.Select(str);

ado.CADOConnect();
_bstr_t str1;
CString str2;
str2.Format("insert into student  values('%s','%s','%s')",m_sno,m_sname,m_class);

//	str1="insert into student_xuanke values('11','True','True','True','False','False')";
MessageBox(str2);

ado.ExecuteSQL(_bstr_t(str2));
CDialog::OnOK();
}