In most asp.net applications users experience post backs as a result of submit action by the client browsers. These post backs can be quite annoying when just a small part of the page needs to be refreshed. Update panels are designed to perform partial post back eliminating the need for doing a comp...

So the last week or so I have been doing some heavy handed UpdatePanel development (stuff where I needed to fix an existing form that needs help to support an UpdatePanel or stuff where I needed to do something special while the page was posting back asyncronously). In the midst I discovered some co...

UFrame combines the goodness of UpdatePanel and IFRAME in a cross browser and cross platform solution. It allows a DIV to behave like an IFRAME loading content from any page either static or dynamic. It can load pages having both inline and external Javascript and CSS, just like an IFRAME. But unlik...

The UpdatePanel-control that came with Ajax.NET offers the possibility to add Ajax-functionality to your ASP.NET-application. The control is easy to use but has some drawbacks concerning performance. ASP.NET 3.5 ScriptServices are an alternative approach to use Ajax with ASP.NET.

I've been using ASP.NET AJAX alot for a while now, so I thought I'd share some of the Tips and Tricks that I've learned though my adventures. Lately, all the buzz has been around Silverlight, but I know there are still a lot of devs out there that can benefit from these tips and tricks.

"... the one thing that was vexing me was the Default Button. It worked like a charm in IE. In Firefox, it behaved like the ugly step sisters. The problem wasn't that it didn't do a postback. That it did. What it didn't do was hit the server side event (the button click event)."

Here is a cool technique on how to identify which control has triggered the UpdatePanel (when dynamic controls are added during runtime). Here we will use the Request Object to identify this.

FileUpload and Ajax UpdatePanel

UpdatePanel is a rare ASP.NET (actually ASP.NET AJAX Extensions) control which benefits from the TemplateInstanceAttribute and especially TemplateInstance.Single case. Its ContentTemplate property is decorated with [TemplateInstance(TemplateInstance.Single)] attribute. This setting allows accessin...

UpdatePanel control is used for different purposes like reducing flickering of the page and reducing network traffic generated by a web site. Developers often wrap input boxes into an UpdatePanel to implement cascading drop-downs and update other related controls. Cascading drop-downs can be implem...

The ASP.NET AJAX Update Panel simply replaces the panel contents when it updates. In this example we see how we can add some animation to the update.

Tips on working with Update Panels.

In the MSDN library, content can be rated by clicking on a star (from 1 through 5). When you hover over the content rateR on MSDN2, a textbox appears to allow comments to be added. Using the rating control and the jQuery library, we can very easily create a content rater simliar to the one on MSDN.

Shows how to load user controls dynamically in update panel on different menu click and how to employ different helper controls like UpdateProgress, ModalPopupExtender when the control is loading.