Build a Web Chat Application using ASP.Net 3.5, LINQ and AJAX : Junnark Vicencio

We will build a very simple web chat application using the latest ASP.Net 3.5, LINQ, and AJAX from scratch just for fun and see how fast we can build it using LINQ. The web chat will: be accessible anywhere, be flicker-free, not use frames, not use application variables....

Video: Using the Conditional UpdateMode of the UpdatePanel

The ASP.NET AJAX UpdatePanel includes an UpdateMode property that may be set to ‘Always’ or ‘Conditional’. The default is Always, in which case the UpdatePanel will always update its content during an asychronous postback. In this video we learn how we can set the UpdateMode to...

Video: Determining Whether an Asynchronous Postback has Occurred

The Page_Load method of an ASP.NET Web form will execute during either a standard full-page postback or an asychnronous partial-page postback. In this video we learn how we can use the ASP.NET AJAX ScriptManager to determine whether an UpdatePanel postback has occurred, which allows us to conditionally...

Video: Using JavaScript to Refresh an ASP.NET AJAX UpdatePanel

In this video we learn two different ways of using JavaScript logic to refresh the content of an ASP.NET AJAX UpdatePanel control. The first way is to add a Button-type server control to the UpdatePanel and use JavaScript to trigger an asynchronous postback and ‘pretend’ that the postback...

Build a Custom ASP.NET AJAX Server Control

Learn how to create a custom Web server control with ASP.NET AJAX functionality using the AJAX extensions in the Microsoft AJAX Library. This video walks you through both the server-side .NET code and the client-side JavaScript code, and provides an explanation of the ‘prototype’ concept...

Debug ASP.NET AJAX Applications Using Visual Studio 2005

In this video we learn how to use Visual Studio 2005 to debug ASP.NET AJAX applications. We are shown how the ScriptManager is used to access the JavaScript created by the ASP.NET AJAX server controls, and we also see how to use the Sys.Debug class to insert a trace message and a breakpoint....

Videos: Using the ASP.NET AJAX Profile Services

ASP.NET 2.0 introduced Profile properties with which you can store details for each user of your ASP.NET Web application. ASP.NET AJAX Profile Services allow your client-side Web interface to retrieve a user’s Profile properties from the server-side Web application. This video demonstrates how...

Video: Using Other JavaScript User Interface Libraries with ASP.NET AJAX

Microsoft is part of the OpenAjax alliance and the Microsoft AJAX Library is designed to work seamlessly with third-party JavaScript user interface libraries. This video provides a demonstration of interoperability between ASP.NET AJAX, Prototype, and script.aculo.us.

Videos: Using the ASP.NET AJAX UpdatePanelAnimation Extender

By adding animation to a partial-page update we can inform the user when an update is occuring, and when it has finished. The UpdatePanelAnimation extender adds animation effects to the ASP.NET AJAX UpdatePanel control, making use of the rich animation framework of the core ASP.NET AJAX Extensions. This...

Video: Using the ASP.NET AJAX SlideShow Extender

This video demonstrates how the SlideShow extender from the ASP.NET AJAX Control Toolkit turns the standard ASP.NET Image control in to a fully-functional slide show. We also see how an ASP.NET Web service can return not only text and XML data but complete AJAX objects to be consumed by the ASP.NET AJAX...