Data Table Pagination

[bharat_Suthar]

try this , might help you out.

Paging Option in the Child Table

If you can consider redesigning the structure Keep these two separate Doctypes. Their relation can be like customer-contact relation in ERPNext. Check how html field is used on customer doctype to display and add contacts. Quick entry button on parent-like doctype in its html field can be used to add entries. In html field you’ve freedom to paginate entries.