HomeLearnASP.NET AJAX VideosHow Do I: Trigger an UpdatePanel Refresh from a DropDownList Control?  

How Do I: Trigger an UpdatePanel Refresh from a DropDownList Control?

In most of our videos on the ASP.NET AJAX UpdatePanel, we have used a Button control to cause an UpdatePanel to refresh its content. Yet we may use any event raised by any other ASP.NET server control. This video uses the SelectedIndexChanged event of the DropDownList control as a trigger for refreshing an UpdatePanel control. We see also how we can dynamically change the stylesheet class associated with the controls contained in the UpdatePanel control.

Presented by Joe Stagner

Duration: 9 minutes, 5 seconds

Date: 26 July 2007

Watch the video   |   Download the video   |   Get VB code  or  C# code

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Audio downloads: AAC | WMA | MPEG-4 | MPEG-3 | MPEG-2

Comments : 1

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rtp : On May 27, 2008 4:24 PM said:

Hi Joe,

Your AJAX videos are invaluable -- many thanks for making them available! On the page that shows all of the video "thumbnails," what technique are you using to pop up a synopsis in a box when a thumbnail is rolled over?

-rtp

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