is it possible to enable “Add To Cart button” in the product multicolumn grid mode?
Please check this 3rd party module:
http://marketplace.cs-cart.com/add-ons/customer-experience/wsa-multiple-add-to-cart.html
It's being a while since I've done it, so backup, backup, test ,test
/design/themes/{theme name}/templates/blocks/product_list_templates/products_multicolumns.tpl
Change
show_add_to_cart=$show_add_to_cart|default:false
to
show_add_to_cart=true
Thank you for letting us know it