private void addTeamButton_Click(object sender, EventArgs e) { if (teamNameTextBox.Text != "" && teamSymbolTextBox.Text != "") { DialogResult dr = MessageBox.Show(string.Format("Are you sure to add team '{0}' with symbol '{1}' to the database?", teamNameTextBox.Text, teamSymbolTextBox.Text), "Confirm?", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (dr == DialogResult.Yes) { if (TeamHandler.AddTeam(teamNameTextBox.Text, teamSymbolTextBox.Text)) { MessageBox.Show("Successfully added team."); } else { MessageBox.Show("Unique team name and symbols should be entered."); } teamSymbolTextBox.Text = ""; teamNameTextBox.Text = ""; teamGrid.DataSource = TeamHandler.GetViewAbleTeams(); } } else { MessageBox.Show("Enter team name and symbol."); } }