private void SqlServerTestConnectionBtn_Click(object sender, RoutedEventArgs e) { bool windowsAuth = WindowsAuthenticationRadioBtn.IsChecked ?? true; SqlConnection connection = DBUtils.CreateSqlServerConnection( server: SqlServerHostTextBox.Text, username: SqlServerUsernameTextBox.Text, password: SqlServerPasswordTextBox.Password, useWindowsAuthentication: windowsAuth, noDB: true); try { connection.Open(); } catch (Exception ex) { MessageBox.Show("Connection failed with error: " + ex.Message); return; } MessageBox.Show("Connection succeeded."); connection.Close(); }