A Callback Panel is a container that can contain contain html, js, css and
other server controls - like Obout Calendar, Obout EasyMenu, ASP.NET controls (ASP Textbox, ASP DropDownList, etc.).
It is very useful to load dynamic scripts, dynamic stylesheets, dynamic controls, etc.
<oajax:CallbackPanel runat="server" ID="callbackPanel1"> <content style="background-color:gray"> <asp:Literal id="literalControl" Runat="server"></asp:Literal> <span>html content</span> </content> <loading> Loading...please wait <loading> </oajax:CallbackPanel>
The update of the panel is done making a callback to the server, without reloading the page.
ob_post.UpdatePanel("callbackPanel1");
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