Hello,
needed solution for multi SKU search filtering in admin product grid. (sku1 sku200 etc)
Something like this:
https://magento.stackexchange.com/questions/31408/admin-product-grid-filtered-by-multi-skus
But this example doesn't work for me.
Thanks
Solution here:
https://www.atwix.com/magento/adding-sku-column-to-orders-grid/