public Trangchu(string account) { InitializeComponent(); this.account = account; string name = NguoiDungDAO.GetHoTenByUser(account); int chucvu = NguoiDungDAO.GetPhanQuyenByUser(account); string loaind = NguoiDungDAO.GetLoaiNguoiDungByUser(account); LabelName.Content = name; LabelChucVu.Content = loaind; if (chucvu == 3) { btnKhachHang.Visibility = Visibility.Hidden; btnQuanLyPhong.Visibility = Visibility.Hidden; btnQuanLyLoaiPhong.Visibility = Visibility.Hidden; btnDichVu.Visibility = Visibility.Hidden; } }