Trigger a callback in ASP.NET's CallbackPanel using JavaScript every 10 seconds

I am attempting to automatically trigger the callback of a CallbackPanel using JavaScript in my WebFormUserControl every 10 seconds.

While I can trigger it with an ASPxButton and ClientSideEvents, my ultimate aim is to have it start automatically every 10 seconds.
Here is my UserControl code:

<dxcb:ASPxCallbackPanel ID="panel" runat="server" ClientInstanceName="panel" OnCallback="ASPxCallbackPanel1_Callback" Width="200px">
            <PanelCollection>
                <dxcb:PanelContent runat="server">
                    <dxcb:ASPxImage ID="ASPxImage1" runat="server" ImageUrl="~/Images/Image1.png" ShowLoadingImage="true"></dxcb:ASPxImage>
                </dxcb:PanelContent>
            </PanelCollection>
</dxcb:ASPxCallbackPanel>
 <dxcb:ASPxButton ID="ASPxButton1" runat="server" AutoPostBack="false" Text="ASPxButton">
            <ClientSideEvents Click="function(s, e) { panel.PerformCallback();  }" />
 </dxcb:ASPxButton>

I attempted to fire it every 10 seconds like this:

<script type='text/javascript'>
setInterval(function () { panel.PerformCallback(); }, 10000);
</script>

Is it possible to achieve my goal?
If so, please provide some helpful code. Thank you :)

Answer №1

To implement a callback, utilize the __doPostBack function along with the CallBackPanel ID. Follow this example:

<script type='text/javascript'>
    setInterval(function () {
        __doPostBack("<%= panel.ClientID %>", "PanelCalledBack");
    }, 10000);
</script>

After that, validate the passed argument PanelCalledBack in your panel's OnLoad event (if available) or in the Page_Load event:

if (Request.Params.Get("__EVENTARGUMENT")?.Trim().IndexOf("PanelCalledBack") != -1)
{
    ASPxCallbackPanel1_Callback(panel, null);
}

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