A YUI2 DATATABLE EXAMPLE : Master-Detail linked Tables This example demonstrates how to create a dual DataTable (DT) system where record selections from the primary (Master or Parent) DT can be used to re-create a secondary linked (Detail or Child) DT. The basic data schema is the Master datatable (called parentDT) has a primary key of 'cust_id' and contains summary customer data. The Detail datatable (called childDT) contains orders linked via a one-to-many relationship through the 'cust_id' key. As parentDT selections are made (and 'cust_id' changes), a new childDT update request is sent providing the changed 'cust_id' key. Initially the master table (parentDT) is initially populated with data (from a remote PHP server via JSON data), and the detail table (childDT) has not been created. A 'rowClickEvent' handler on the master table pulls the 'cust_id' key and either creates the childDT (if it doesn't exist) or updates the childDT (via a .sendRequest). A live working example, fully documented is available here : http://www.blunderalong.com/pub/dta/dt_masterdetail.html