private void SignUp_Click(object sender, Windows.UI.Xaml.RoutedEventArgs e) { if (Username.Text == "" || Password.Password == "" || RepeatPassword.Password == "") { StackPanelError.Visibility = Windows.UI.Xaml.Visibility.Visible; Error.Text = "Please provide all information to sign up."; } else { if (Password.Password != RepeatPassword.Password) { StackPanelError.Visibility = Windows.UI.Xaml.Visibility.Visible; Error.Text = "Please provide matching passwords."; } else { PasswordManager.PasswordScore score = PasswordManager.CheckStrength(RepeatPassword.Password); if (score == PasswordManager.PasswordScore.Weak || score == PasswordManager.PasswordScore.Medium || score == PasswordManager.PasswordScore.Strong || score == PasswordManager.PasswordScore.VeryStrong) { StackPanelError.Visibility = Windows.UI.Xaml.Visibility.Collapsed; Error.Text = ""; // Local observable collection insert var x = new User(); x.Username = Username.Text; x.Password = Password.Password; userSingleton.Users.Add(x); // Database insert SqlConnection conn = new SqlConnection(Constants.ConnectionString); SqlCommand cmd = new SqlCommand(); cmd.Connection = conn; cmd.CommandText = "INSERT INTO Users (user_username, user_password) VALUES (@username, @password)"; cmd.Parameters.Add("@username", SqlDbType.VarChar, 50).Value = x.Username; cmd.Parameters.Add("@password", SqlDbType.VarChar, 50).Value = x.Password; conn.Open(); cmd.ExecuteNonQuery(); conn.Close(); // Success frame navigate Frame.Navigate(typeof(LoginPage)); } else { StackPanelError.Visibility = Windows.UI.Xaml.Visibility.Visible; Error.Text = "Please provide a stronger password."; } } } }