摘要：
void CDlg_login::OnButton1() {CString c_user,c_password;m_user1.GetWindowText(c_user);m_password1.GetWindowText(c_password);if (c_user.IsEmpty()||c_user.IsEmpty()){MessageBox("用户名密码不能为空！","提示",64);}m_pConnection.CreateInstance(__uuidof(Connection));m_pRecordset.CreateInstance(__u 阅读全文