private void BtnSave_Click(object sender, RoutedEventArgs e)
{
if (FormCreateMode)
{
product.ProductCategory = (ProductCategory)CategoryComboBoxProductDetail.SelectedItem;
gateway.AddProduct(product);
}
else
{
product.ProductCategory = (ProductCategory)CategoryComboBoxProductDetail.SelectedItem;
gateway.UpdateProduct(product);
}
this.Close();
}
