public Task <int> SaveTridaAsync(Trida item)
{
var result = GetTridaAsync().Result;
foreach (Trida t in result)
{
if (item.ID == t.ID)
{
return(database.UpdateAsync(item));
}
}
return(database.InsertAsync(item));
}
private void btnSave_Click(object sender, RoutedEventArgs e)
{
student.Jmeno = txtName.Text;
var tridy = App.Databaze.FindTridaAsync(txtClass.Text.ToUpper()).Result;
if (tridy.Any())
{
student.IDTrida = tridy[0].ID;
}
else
{
Trida trida = new Trida();
trida.Nazev = txtClass.Text.ToUpper();
App.Databaze.SaveTridaAsync(trida);
var result = App.Databaze.GetTridaId(trida.Nazev).Result;
student.IDTrida = result.ID;
}
App.Databaze.SaveStudentAsync(student);
NavigationService.GoBack();
}