Cart QTY update script fail on Products w/ Options

-- HikaShop version -- : 2.6.4
-- Joomla version -- : 3.6.2
-- PHP version -- : 5.6.16

I have an Inventory Product which utilizes three Options. If I add one of these to a Cart with one combination of Options and a Second instance of the same Product with a different combination of Options both items track properly through the Order completion process, but the Qty Update scripts on the Cart display fails. The same buttons on the Checkout Cart appears to work correctly.

It looks like the scripts within the cart display identify the Products to be updated by the Product ID value rather than the Cart Product ID value. The Input fields the User modifies to change the Qty value also appear to have the same shared ID Value because of the same error.

The result is that the javascripts seem to grab the first Qty field's value regardless of which button is clicked. The hidden Qty fields for the Options appear to have unique values and work properly, but whatever method is being triggered doesn't identify the proper Product either and I can't see any Qty changes being made to either product when it runs.

Thanks.

Use the included credentials to log in. Under the menu item "Shop Now!" select "Gift Tins". From that page, select "Custom Tins". Select the one item in this category: the "Custom Nut Lover's Gift Tin". Leave the Color selection as "White", choose three options, and choose a piece of artwork. Add to cart and continue shopping.

Leave the Color as "White", but modify the Options and Artwork selection. Add to cart once more. Proceed to checkout.

On this form, if you examine the two Qty fields, you will see that they are assigned to different Item numbers.



Now visit the Cart page ( Under the menu item "Shop Now!" select "View Cart"). I have modified the template for this page by suppressing the Image display, which I couldn't suppress using any configuration settings, and suppressing the Status column. I also added altered the text displayed by the Options and added a line to display the Custom Field value, "artwork". I did not modify the text links containing the javascripts.



On this form, if you examine the two Qty fields, you will find that they both are assigned to the same item numbers. If you use the qty scripts, they will quickly become out of sync - The many outcomes I have seen include A) no change at all, successful change on one and unsuccessful changes on the other, C) changing the qty of the base Product, but not of the Options (incorrect Total prices), and D) changing qty of the wrong Product.

I have removed my test items from this account's cart. You should be able to start fresh.

Thanks.

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It was in the form segment of my original topic submission. I assumed you had it. Here it is again.

If you check carefully you will see that the cart you took screenshots of is the Checkout Cart, not the View Cart. That one DOES work.

On the View Cart, the QTY ( and DELETE ) buttons do not work on either product. Below are screenshots showing the field names of the QTY fields. As you can see, the names are identical. I can't see how this would correctly identify the specified cart product for either script, since getting the element by ID could not function correctly.

Please try again.

I will pull down the update and then incorporate the other display modifications I had made to the base file to create a new view override with your patch in place.

Thank you very much!