Needed Files:
 - Dynamic-Page-Multi-Add-To-Cart.sst should be uploaded in your version 11 sp2 store under Merchandising > Custom Templates > Page/Product Templates > Upload A Page Template.
 - Dynamic-Product-Multi-Add-To-Cart.sst should be uploaded in your version 11 sp2 store under Merchandising > Custom Templates > Page/Product Templates > Upload A Product Template.


How To Use: 
 - First setup your page (Pages > Add A Page).
 - Assign the products to your page that you want in your multi-add-to-cart form.
 - Go to Pages > highlight your page > Edit Page Layout, and select the Dynamic-Page-Multi-Add-To-Cart.sst page template (you DO NOT need to select the product template for the products).
 - Publish, and test the form.