public Track() { InitializeComponent(); //NavigationPage.SetHasNavigationBar(this, false); var Taken_Nos = db.GetTracksTakenNos(); var Missed_Nos = db.GetTracksMissedNo(); var total = Taken_Nos + Missed_Nos; num_of_days.Text = "" + total; missed_label.Text = "" + Missed_Nos; taken_label.Text = "" + Taken_Nos; }