Web Forms :: Update MasterPage Content Via AJAX

Feb 17, 2010

Greetings. I have a master page called 'site.master'. I have a web form called MyForm.aspx that uses site.master. I have a Label control on site.master called "lblMessage". I have an UpdatePanel that contains a Button control called "btnSave". When the Save button is clicked, it updates the database via the data access layer and then should display whether or not the save was successful. I want to set the lblMessage.Text property (on master page) to display this information. I am currently implementing a method that finds the control in the master page and sets its property and this works successfully (verified via debugging), but the problem is that, because the button is in an UpdatePanel, it is not displaying the text for the lblMessage Label on the master page. In short, any ideas on how I can set the Text property of a Label control in a master page via an AJAX call from a button inside an update panel on a content page?

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Here is an example situation of what I am trying to do to be more clear. On our homepage near the bottom of the page we have some tabs with different content. Each tab's content body has different content geared to some different user type. Of the thousands of homepage visitors we get a day maybe a dozen click on any tab.

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