void AddOne_Click(object sender, RoutedEventArgs e)
{
var selected = ProductsInOrderDG.SelectedItem;
if (selected == null)
{
MessageBox.Show("Select product first.");
return;
}
DetailedProductOrder selectedProduct = (DetailedProductOrder)selected;
if (selectedProduct.quantity == Int16.MaxValue)
{
MessageBox.Show($"Maximum amount of product in single order.");
return;
}
selectedProduct.quantity++;
RefreshProductsInOrderDG();
}
void SubstractOne_Click(object sender, RoutedEventArgs e)
{
var selected = ProductsInOrderDG.SelectedItem;
if (selected == null)
{
MessageBox.Show("Select product first.");
return;
}
DetailedProductOrder selectedProduct = (DetailedProductOrder)selected;
selectedProduct.quantity--;
if (selectedProduct.quantity == 0)
{
productsInOrder.Remove(selectedProduct);
FillProductsDG();
}
RefreshProductsInOrderDG();
}
