private async void ClickrgButton(IUICommand command)
{
// Register the student
if (SelectedStudent != null)
{
var st = new Registration(SelectedStudent.Id);
await WsContext.CreateRegistration(st);
MsgDialog = new MessageDialog("Du er hermed registreret");
WsContext.LoadStudentRegistrations();
SCommon.RegistrationList.Add(st);
try
{
_timer = new DispatcherTimer();
_timer.Tick += StopAfterTime;
_timer.Interval = new TimeSpan(0, 0, 0, 1, 500);
_asyncOp = MsgDialog.ShowAsync();
_timer.Start();
}
catch (TaskCanceledException)
{
//Caught
}
}
}
public async Task CreateRegistration(Registration registration)
{
handler = new HttpClientHandler();
handler.UseDefaultCredentials = true;
using (var client = new HttpClient(handler))
{
client.BaseAddress = new Uri(ServerUrl);
client.DefaultRequestHeaders.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
try
{
var response = await client.PostAsJsonAsync("Registrations", registration, CancelToken.Token);
}
catch (Exception ex)
{
new MessageDialog(ex.Message).ShowAsync();
}
}
}
