private async void BtnAddToCart_Clicked(object sender, EventArgs e) { AddToCart addToCart = new AddToCart { Qty = LblQty.Text, Price = LblPrice.Text, TotalAmount = LblTotalPrice.Text, ProductId = productID, CustomerId = Preferences.Get("userId", 0) }; bool response = await ApiServices.AddItemsToCart(addToCart); if (response) { await DisplayAlert("Congratulations", "Your item has been successfully added", "OK"); await Navigation.PopModalAsync(); } else { await DisplayAlert("Error", "Something went wrong", "OK"); } }