private void InitComponents() { changeToTree(Service.GetAllComponents()); AccessControl_UserTypeCombo.ItemsSource = Service.GetComboUser_Type().Tables[0].DefaultView; Routes_beginingCombo.ItemsSource = Service.GetComboAirport().Tables[0].DefaultView; Routes_DestinationCombo.ItemsSource = Routes_beginingCombo.ItemsSource; Flights_AirplaneCombo.ItemsSource = Service.GetComboAirplane().Tables[0].DefaultView; Flights_DestORBeginCombo.ItemsSource = Routes_beginingCombo.ItemsSource; Admin_AirlineTypeCombo.ItemsSource = Service.GetComboAirline_types().Tables[0].DefaultView; Admin_AirplaneUsageCombo.ItemsSource = Service.GetComboAirplane_Usage().Tables[0].DefaultView; Admin_AirportTypeCombo.ItemsSource = Service.GetComboAirport_types().Tables[0].DefaultView; Admin_CityCombo.ItemsSource = Service.GetComboCity().Tables[0].DefaultView; Admin_CountryCombo.ItemsSource = Service.GetComboCountry().Tables[0].DefaultView; Admin_DelayTypeCombo.ItemsSource = Service.GetComboDelay_Type().Tables[0].DefaultView; Airports_AirportTypeCombo.ItemsSource = Admin_AirportTypeCombo.ItemsSource; Airports_CityCombo.ItemsSource = Admin_CityCombo.ItemsSource; Users_airportCombo.ItemsSource = Service.GetComboAirport().Tables[0].DefaultView; Users_userTypeCombo.ItemsSource = Service.GetComboUser_Type().Tables[0].DefaultView; Airplanes_ModelCombo.ItemsSource = Service.GetComboAirplane_Model().Tables[0].DefaultView; Airplanes_UsageTypeCombo.ItemsSource = Admin_AirplaneUsageCombo.ItemsSource; Airplanes_ownerCombo.ItemsSource = Service.GetComboAirline().Tables[0].DefaultView; Airlines_CountryCombo.ItemsSource = Admin_CountryCombo.ItemsSource; Airlines_TypeCombo.ItemsSource = Admin_AirlineTypeCombo.ItemsSource; Routes_beginingCombo.ItemsSource = Users_airportCombo.ItemsSource; Routes_DestinationCombo.ItemsSource = Users_airportCombo.ItemsSource; }