title: How to refresh only metabox in wordpress product page
body: <p>In my wordpress admin panel Inside product page there is a metabox called product categories.For adding new category there is a option also, after adding new category its not getting updated automatically,If i refresh the whole page then list get update. 
  <a href="https://i.stack.imgur.com/D4nfj.png" rel="nofollow"><img src="https://i.stack.imgur.com/D4nfj.png" alt="Screen shot of category list and add new option."></a></p>
  
  <p>I need to update the category list without refreshing whole page when i click Add New Product Category button. 
  Can any one help me out for this issue?</p>