private void btnTrue_Click(object sender, EventArgs e) { QSNumber++; if (QSNumber < 6) { if (database.Check(true)) { CorrectQ++; label1.Text = CorrectQ.ToString(); } ; tboxQuestion.Text = database.GetQuestion(); } else { MessageBox.Show("Game Over"); QSNumber = 0; CorrectQ = 0; database.CleanStack(); } }