Ajax reorderlist not updating
Update Panel gives developers direct control on which part needs to be partially updated and what element can trigger asynchronous postbacks.Looking at a simple AJAX application (Listing 1), the use of Script Manager and Update Panel is very easy and straightforward.NET AJAX technology inevitably ends up with an application where it is hard to make changes.In this article I will present a systematic approach, or some best practices, to make the Update Panel-based ASP.An Update Panel consists of two sections: Content Template and Triggers.All the content in the Content Template section is able to get updated asynchronously.When it is turned on, all triggers in the content section automatically become asynchronous triggers of that Update Panel.
Next, I will show you how to specify Update Panels and asynchronous triggers in a consistent manner, avoid complex triggers, and minimize the number of Update Panels.There are a few issues you need to be clear about when you use Update Panel in your ASP.NET AJAX applications: Determine the area in the Web Form that needs to be updated asynchronously.The following list gives you the problematic issues around Update Panel-based AJAX applications within large-scale AJAX applications: Lacking guidelines and best practices, the inadvertent and ad hoc use of ASP.Is there a best practice to get around the issues above? In the rest of this article I will outline the new approach to systematically resolving these issues.
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NET solution architect, hands-on developer, and software consultant based in southern California.