public void defineComboBox() { int mone = f.num_of_mone("services", "moneServices"); for (int i = 1; i < mone + 1; i++) { if (f.return_service_by_id(i) != null) { if (f.removequat(f.return_service_by_id(i).company.companyID) == f.removequat(this.com.companyID)) { this.mono++; service newone = f.return_service_by_id(i); ComboBoxItem item = new ComboBoxItem(); item.Content = newone.get_the_name(); item.Tag = newone.get_the_service_id(); this.selectservicecb.Items.Add(item); } } } }