private void Logout_ButtonClick(object sender, RoutedEventArgs e)
        {
            if (Globals.currUser != null)
            {
                try
                {
                    Utiles.AddOrUpdateAppSettings("userEmail", "");
                    Utiles.AddOrUpdateAppSettings("password", "");
                    Utiles.AddOrUpdateAppSettings("isRemember", "false");
                    Globals.currUser = null;
                    DialogResult     = true;
                }
                catch (ConfigurationErrorsException ex)
                {
                    MessageBox.Show("Cannot remember you login set", "login set error", MessageBoxButton.OK, MessageBoxImage.Error);
                }
            }
            else
            {
                UserLogin login = new UserLogin();
                login.ShowDialog();

                if (login.DialogResult == true)
                {
                    Close();
                }
            }
        }
        private void UserLogin_ButtonClick(object sender, RoutedEventArgs e)
        {
            email      = tbUserEmail.Text;
            password   = pwdUserPsw.Password;
            isRemember = (bool)cbRemenberMe.IsChecked;



            if (email.Length == 0 || password.Length == 0)
            {
                message = "Please entre all the information";
                title   = "Information not complet";
                MessageBox.Show(message, title, MessageBoxButton.OK, MessageBoxImage.Error);
            }
            else if (!Regex.IsMatch(email, @"^([a-z0-9_\.-]+)@([\da-z\.-]+)\.([a-z]{2,})$"))
            {
                message = "Please check email format";
                title   = "Information not complet";
                MessageBox.Show(message, title, MessageBoxButton.OK, MessageBoxImage.Error);
            }
            else
            {
                Globals.currUser = new User();



                using (MD5 md5Hash = MD5.Create())
                {
                    pswMd5 = Utiles.GetMd5Hash(md5Hash, password);
                }

                User user = Globals.Db.LoginVerification(email);

                if (pswMd5 == user.Password)
                {
                    Globals.currUser    = user;
                    Globals.currUserSub = Globals.Db.GetSubscriptChannels(Globals.currUser);
                    //write to confi
                    if (isRemember)
                    {
                        try
                        {
                            Utiles.AddOrUpdateAppSettings("userEmail", email);
                            Utiles.AddOrUpdateAppSettings("password", pswMd5);
                            Utiles.AddOrUpdateAppSettings("isRemember", "true");
                        }
                        catch (ConfigurationErrorsException ex)
                        {
                            MessageBox.Show("Cannot remember you login set", "login set error", MessageBoxButton.OK, MessageBoxImage.Error);
                        }
                    }


                    DialogResult = true;
                }
                else
                {
                    message = "Wrong user email or password \n Try again";
                    title   = "HeadLine News Login";


                    MessageBox.Show(message, title, MessageBoxButton.OK, MessageBoxImage.Error);
                }
            }
        }