Chapter 23. Building More Responsive Web Pages with ASP.NET AJAX

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In this hour, we will cover

  • The benefits of AJAX-enabled websites

  • How AJAX improves the responsiveness of web pages

  • Implementing AJAX with the UpdatePanel control

  • Using Multiple UpdatePanels on an ASP.NET page

  • Displaying a Loading message with the UpdateProgress control

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Throughout this book we have created many ASP.NET pages that execute server-side code based on some user action. Clicking a button causes the Button Web control’s server-side Click event handler to execute. Selecting an item from a DropDownList control whose AutoPostBack property is set to True causes the DropDownList’s SelectedIndexChanged event to fire. Clicking the header column of ...

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