public override async void OnNavigatedTo(NavigationParameters parameters)
{
Title = "Επίπεδα Πιστοποίησης";
//TODO: Get Language from parameters
//var language = parameters["language"];
var language = "el";
try
{
EducationalLevels.Clear();
var educationalLevels = EducationalLevelAppService.GetEducationalLevels(language);
foreach (var ed in educationalLevels)
{
EducationalLevels.Add(ed);
}
base.OnNavigatedTo(parameters);
}
catch (Exception e)
{
//TODO: Find how to properly handle Exceptions
await App.Current.MainPage.DisplayAlert("Error",
$"Application was not able to retrieve Educational Levels: {e.Message}", "OK");
}
}
public override async void OnNavigatedTo(NavigationParameters parameters)
{
var language = "el";
try
{
if (EducationalLevels == null)
{
EducationalLevels = new ObservableCollection <EducationalLevel>();
}
if (EducationalSectors == null)
{
EducationalSectors = new ObservableCollection <EducationalSector>();
}
if (QualificationTypes == null)
{
QualificationTypes = new ObservableCollection <QualificationType>();
}
if (AwardingBodies == null)
{
AwardingBodies = new ObservableCollection <AwardingBody>();
}
//EducationalLevels
if (EducationalLevels != null && EducationalLevels.Count == 0)
{
EducationalLevels.Clear();
var educationalLevels = EducationalLevelAppService.GetEducationalLevels(language);
foreach (var ed in educationalLevels)
{
EducationalLevels.Add(ed);
}
}
//EducationalSectors
if (EducationalSectors != null && EducationalSectors.Count == 0)
{
EducationalSectors.Clear();
var educationalSectors = EducationalSectorAppService.GetEducationalSectors(language);
foreach (var es in educationalSectors)
{
EducationalSectors.Add(es);
}
}
//QualificationTypes
if (QualificationTypes != null && QualificationTypes.Count == 0)
{
QualificationTypes.Clear();
var qualificationTypes = QualificationTypeAppService.GetQualificationTypes(language);
foreach (var qt in qualificationTypes)
{
QualificationTypes.Add(qt);
}
}
//AwardingBodies
if (AwardingBodies != null && AwardingBodies.Count == 0)
{
AwardingBodies.Clear();
var awardingBodies = AwardingBodyAppService.GetAwardingBodies(language);
foreach (var ab in awardingBodies)
{
AwardingBodies.Add(ab);
}
}
base.OnNavigatedTo(parameters);
}
catch (Exception e)
{
//TODO: Find how to properly handle Exceptions
await App.Current.MainPage.DisplayAlert("Error",
$"Application was not able to retrieve : {e.Message}", "OK");
}
}