Hour 23. Building More Responsive Web Pages with ASP.NET Ajax

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

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 a sortable GridView ...

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