//perguntas de diagnostico
        private void buttonPerDia_Click(object sender, RoutedEventArgs e)
        {
            DBConnect NewcConnection = new DBConnect();
            NewcConnection.dbConnection();
            MySqlCommand verifica = new MySqlCommand("SELECT * FROM questionset", DBConnect.db);
            MySqlDataReader read = verifica.ExecuteReader();
            int count = 0;
            while (read.Read())
            {
                count = count + 1;
            }
            DBConnect.db.Close();

            if (count != 0)
            {
                Questionario pergunt = new Questionario();
                pergunt.ShowDialog();
            }
            else
            {
                if (MessageBox.Show("Não tem QuestionSet inserido, quer inserir agora?", "Confirmation", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
                {
                    QuestionSet quest = new QuestionSet();
                    quest.ShowDialog();
                    Questionario pergunt = new Questionario();
                    pergunt.ShowDialog();
                }
                else
                {
                    MessageBox.Show("Operação anulada!!!");
                }
            }           
        }
 //question set
 private void button3_Click(object sender, RoutedEventArgs e)
 {
     QuestionSet quest = new QuestionSet();
     quest.ShowDialog();
 }