Nils-Fredrik G. Kaland writes; Let’s say you are working on the user interface in Ext Designer / Sencha Ext Js, and after a while you find out you have ended up with a great amount of data stores. You also need to handle lots of Ajax requests and all the server side coding this invokes. But, why not think two steps forward already when working with the interface in Ext Designer? Of course, you are an experienced developer – so you have your database model ready. More on that later. Let’s start with the user interface in Ext Designer.