private void BtnSave_Click(object sender, RoutedEventArgs e)
{
string code = txtCode.Text;
string description = txtDescription.Text;
Group group = (Group)cmbGroups.SelectedItem;
VAT vat = (VAT)cmbVATs.SelectedItem;
decimal.TryParse(txtNetPrice.Text, out decimal netprice);
Product product;
if (isNew)
{
product = new Product(code, description, netprice, vat, group);
globalService.AddProduct(product);
}
else
{
product = (Product)lstProducts.SelectedItem;
product.Code = code;
product.Description = description;
product.NetPrice = netprice;
product.Vat = vat;
product.ProductGroup = group;
}
PopulateListbox();
DefaultSituation();
lstProducts.SelectedItem = product;
LstProducts_SelectionChanged(null, null);
}