No, admin files cannot be themed. You have to use what available action/filter hooks there are, or replace the metabox with a custom one.
I was used html-order-item.php page i want to add another column next to qty and i had added if the plugin get upgrade it will overwrite the default new plugin’s html-order-item.php. so my code will be overwritten. Is there any other option please advice.
Yes I have Hooked woocommerce_admin_order_item_headers from my plugin on page load it was working fine but not working after click save. it returns old format (“item, cost, qty and total”).
Then ensure your code is hooked in at all times, including ajax events.
I am just using “add_action” function how can i do it on ajax events let me know. please advice
Wherever you have defined your code is obviously coming too late or not being included when ajax events run. You’ll need to debug your own code.
Yes That is the problem on my code.. I have worked it… Thanks Mike…