public void openprompt() { alertdialog = new AlertDialog.Builder(this).Create(); EditText txtEnterName = new EditText(this); alertdialog.SetTitle("enter your name"); alertdialog.SetView(txtEnterName); alertdialog.SetButton("submit", (s, ev) => { objDb = new DataBaseManager(); objDb.AddLeaderboard(txtEnterName.Text, score); //save to leaderboard StartActivity(typeof(Scores)); Finish(); } ); alertdialog.SetButton2("main menu", (s, ev) => { Finish(); } ); alertdialog.SetCancelable(false); alertdialog.Show(); }