private async Task BindDDLAsync() { List <string> state = AppProvider.EnableStates; CloudUploadComboBox.ItemsSource = state; LanguageComboBox.ItemsSource = state; FTPComboBox.ItemsSource = state; CheckUpdateComboBox.ItemsSource = state; EmailAlertComboBox.ItemsSource = state; EmailAfterResetComboBox.ItemsSource = state; EmailReportComboBox.ItemsSource = state; MonthComboBox.ItemsSource = AppProvider.Months; UTCComboBox.ItemsSource = AppProvider.UTCs; DayComboBox.ItemsSource = AppProvider.NumericDays; DateComboBox.ItemsSource = AppProvider.WordDays; AlarmTypeComboBox.ItemsSource = AppProvider.AlarmTypes; HourComboBox.ItemsSource = AppProvider.HourString(); MinuteComboBox.ItemsSource = AppProvider.MinuteString(); SecondComboBox.ItemsSource = AppProvider.SecondString(); LogTimeComboBox.ItemsSource = AppProvider.MinuteString(); var buildings = await new BuildingProvider().GetBuildingsAsync(); AreaCombobox.ItemsSource = buildings; }