We are now going to look at the Ext.NET window control. The window is a very useful control to provide a modal or non-modal "pop up" over the main web page.
We'll look at how to open the client-side and server-side window, and display content from a grid panel on the main web page. We'll update the content and save the changes to the grid panel via a round trip to the server before hiding the window and displaying our changes.
The following steps help us understand window controls: