Extra Shipping From Hidden Field

I have 2 hidden fields that I want to pass to the shopping cart.
1. The first is CartSKUNumber --- This is in a hidden field in the Add To Cart form on the products_detail.php page
2. The second is CartAddShipping -- This is also a hidden field in the Add to Cart form
3. I want the CartSKUNumber display the SKU Number on the shopping cart page and add it the orders detail database
4. I want to add the CartAddShipping value to the existing Shipping rule. I have this field so it will have a value of 0.00 or whatever the dollar amount is like let's say 5.00 more
5. I already have a shipping rule set that looks at the database for the product shipping. But the additional shipping is determined by an Option so let's say you choose the Extra Tall it cost $5.00 more to ship it than the other options.

You can see what I'm talking about at http://www.awinninglook.com/products-detail.php?ProductID=1000 down by the Add To Cart button you will see the values for the SKU and Extra Shipping based on the option you choose. Currently there is only extra shipping on the Extra Tall size. Thanks.

in the display manager, add the CartSKUNumber binding to show the SKU

in the store order details behavor, bind the SKU column of the order details to the cartCKUNumber column

in the eCart object, create a calcualtion as:

TotalAdditonalShipping:
[CartAddShipping] * [Quantity]

on the shipping tab, create a new shipping rule as:
Subtotal for column TotalAdditonalShipping > 0

Multiple of column subtotal:

Subtotal of column TotalAdditonalShipping times 0 plus 0

you will want to create the cart display so that it shows shipping changes individually.

I tried that now I'm getting this error message.
Parse error: syntax error, unexpected '[' in /home/content/01/3827501/html/awlc/WA_eCart/siteCart_PHP.php on line 15

Here are the product details, shopping cart and the page with the error.

Thanks.

you gave the wring name for the column.

in the cart object it is named:

AdditionalShipping

so the calculation should be:

[AdditionalShipping] * [Quantity]

Okay I changed it now I get:

Warning: Missing argument 17 for siteCart_Definition::AddToCart(), called in /home/content/01/3827501/html/awlc/products-detail.php on line 254 and defined in /home/content/01/3827501/html/awlc/WA_eCart/siteCart_PHP.php on line 32

Warning: Cannot modify header information - headers already sent by (output started at /home/content/01/3827501/html/awlc/WA_eCart/siteCart_PHP.php:32) in /home/content/01/3827501/html/awlc/products-detail.php on line 270

looks like you added the AdditionalShipping column t4o the cart after adding the add to cart button to that page.

any time you add a column to the cart, you will need to update the add to cart button behaviors to have the code regenerated to include the new cart column.

Where do I change that. The server behavior for the Add To Cart Button does't exist in the server behaviors any more.

it looks like you hand edited it, that is why it doesn't show.

you will need to undo the hand edits in order for it to show in the server behaviors panel.

theres not a simple code change that can be made, you need to use the server behavior interface to edit it.

Okay I took out the hand coding and then did as you suggested. I'm still getting an error: Parse error: syntax error, unexpected '[' in /home/content/01/3827501/html/awlc/WA_eCart/siteCart_PHP.php on line 14

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