Next, drag a Grid View from the Toolbox into the Update Panel.
From here, you can setup your Grid View just like you normally would.
However, only certain portions of the page are updated under certain circumstances.
The following screenshot shows the page when it is first visited.
Create an event handler for this event for each of the two Update Panels and, in the event handler, set the appropriate Label's Set a breakpoint in these three event handlers and start debugging the page.Notice that anytime the page is visited, each of the breakpoints is hit.It doesn't matter if the page is being visited for the first time, after a full postback, or after a partial postback.Over the past several years web developers have started using Java Script to make asynchronous postbacks to the web server that only transmit and receive the necessary data; these techniques are commonly referred to as AJAX. This article series examines using Microsoft's ASP.Microsoft has released a free AJAX framework for ASP. NET AJAX framework to build responsive user interfaces. ) In AJAX Basics and Getting Started with Microsoft's ASP.Next, it explores a demo that includes multiple Update Panels on the page and illustrates the effect of the Update Panel's The beauty of the Update Panel control is that it makes creating AJAX-enabled user interfaces a walk in the park, even real-world user interfaces involving data Web controls like the Grid View.All of the Grid View's rich functionality - paging, sorting, editing, and deleting - are accessible when its placed within an Update Panel without the need for any special code or instructions.You can bind the Grid View to a declarative data source control and enable paging, sorting, editing, and deleting by checking the checkboxes from the Grid View's smart tag.A thorough discussion on editing, deleting, paging, and sorting data in a Grid View is beyond the scope of this article.NET AJAX Framework we looked at the basics of the ASP. We discussed how to download and install the framework and the basics of the Update Panel.The Update Panel makes creating interactive user interfaces as easy as dragging and dropping.