private void updateAllInvoices()
{
try{
allInvoices.Clear();
foreach (var invoice in controller.getAllInvoices())
{
allInvoices.Add(invoice);
}
invoiceList.ItemsSource = allInvoices;
}
catch (Exception ex) {
HandleError(MethodInfo.GetCurrentMethod().DeclaringType.Name,
MethodInfo.GetCurrentMethod().Name, ex.Message);
}
}