public async override void OnNavigatedTo(NavigationParameters parameters)
{
SubjectModel subject = parameters["subject"] as SubjectModel;
Subject = subject;
PopulateDetailsProps(subject);
GetNote();
try
{
StudentiPrezenti.Clear();
var response = await StudentService.GetAllBySubject(Subject.Id);
var content = await response.Content.ReadAsStringAsync();
var message = JsonConvert.DeserializeObject <List <StudentModel> >(content);
StudentiPrezenti.ReplaceRange(message);
}
catch (Exception ex)
{
MessagingCenter.Send(new ErrorMessageModel
{
Title = "Error",
Message = "Unable to load items.",
Cancel = "OK"
}, "message");
}
}
public async void OnPrezentSelected()
{
if (student == null)
{
var response = await StudentService.GetById();
if (response.IsSuccessStatusCode)
{
var content = await response.Content.ReadAsStringAsync();
student = JsonConvert.DeserializeObject <StudentModel>(content);
}
}
if (student != null && !StudentiPrezenti.Any(a => a.Nume == student.Nume))
{
StudentiPrezenti.Add(student);
}
}
