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ASP.NET AJAX in Action by Rama Krishna Vavilala, David Barkol, Alessandro Gallo

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Chapter 6. Partial-page rendering with UpdatePanels

In this chapter:

  • Partial page updates
  • Triggers and modes
  • Nesting and repeating UpdatePanels
  • Creating a live GridView filter

One of the most fascinating controls in the ASP.NET AJAX framework is the UpdatePanel. This new control replaces the need for a page to refresh during a postback. Only portions of a page, designated by the UpdatePanel, are updated. This technique is known as partial-page rendering and can be highly effective in improving the user experience.

At the end of chapter 1 and in segments of chapter 4, you got a glimpse into how the UpdatePanel works and how simple it is to apply to existing ASP.NET applications. In this chapter, the first of two dedicated solely to the UpdatePanel, ...

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