public Task <int> SaveZnamkaAsync(Znamka item)
{
if (item.ID != 0)
{
return(database.UpdateAsync(item));
}
else
{
return(database.InsertAsync(item));
}
}
private void btnAddGrade_Click(object sender, RoutedEventArgs e)
{
Znamka z = new Znamka();
z.IDStudent = student.ID;
z.IDPredmet = listPredmet[cBoxSubject.SelectedIndex].ID;
z.Hodnota = int.Parse(cBoxGrade.SelectionBoxItem.ToString());
App.Databaze.SaveZnamkaAsync(z);
listZnamka.Add(z);
cBoxGrade.SelectedItem = null;
cBoxSubject.SelectedItem = null;
}