private async void BtnAddToCart_Clicked(object sender, EventArgs e)
        {
            var addToCart = new AddToCart();

            addToCart.CustomerId  = Preferences.Get("user_id", 0);
            addToCart.Qty         = LblQty.Text;
            addToCart.Price       = LblPrice.Text;
            addToCart.TotalAmount = LblTotalPrice.Text;
            addToCart.ProductId   = _productId;

            var response = await APIService.AddItemsToCart(addToCart);

            if (response)
            {
                await DisplayAlert("", "Your items has been added to the cart", "OK");
            }
            else
            {
                await DisplayAlert("Oops", "Something went wrong", "Cancel");
            }
        }