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5.4

Updating UpdatePanel only after another UpdatePanel has finished updating

Asked by DerekWatling in Programming for ASP.NET, JavaScript, GIS & GPS Programming

Tags: updatepanel, updating

I have a ASP.NET 2.0 AJAX page with a number of UpdatePanels. One of these contains an image generated by Manifold GIS Internet Map Server. This "image" is actually through a call to a seperate page that returns binary blob data and is written directly with Response.BinaryWrite. In the process it returns an ID value which I am currently storing in a Session variable.

There is a second update panel for information which uses this ID to query a MySQL database. My problem is that I can't get hold of the Session variable until the image has finished loading and then need to update the information panel.

How can I ensure that I have this ID before updating the second panel? Currently the information displayed is always one update behind the image!
[+][-]09/18/07 08:26 AM, ID: 19913731Assisted Solution

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[+][-]09/18/07 09:57 AM, ID: 19914622Author Comment

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[+][-]09/19/07 02:11 AM, ID: 19919105Author Comment

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[+][-]09/19/07 06:57 AM, ID: 19920630Accepted Solution

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Zones: Programming for ASP.NET, JavaScript, GIS & GPS Programming
Tags: updatepanel, updating
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Solution Provided By: vilia
Participating Experts: 4
Solution Grade: C
 
[+][-]10/01/07 03:13 AM, ID: 19989684Author Comment

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[+][-]10/17/07 05:10 AM, ID: 20092457Assisted Solution

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[+][-]10/19/07 12:49 AM, ID: 20107186Author Comment

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