As discussed further in the support thread, currently we supports two scenarios with the Request Queue:
1. Using RadAjaxManager
) and ajaxifying asp:Panel, asp:Button, asp:Label etc. In this case the Manager should not be used in combination of RadAjaxPanel
. It will work correct as your example in Default2.aspx
2. Using standalone RadAjaxPanel
. In simple scenarios when you don't have many different parts of your site that should be updated, but you have only one part that should, you can use RadAjaxPanel
. It should work without any problem. In this case it is important not to have RadAjaxManager
in your page. You can set the RequestQueueSize
directly into the declaration of your RadAjaxPanel.
It is never suggested to use asp:UpdatePanels in combination with RadAjaxManager or RadAjaxPanel. This three controls should be used independently in each page and never mixed up.
the Telerik team
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