How to Configure UpdatePanel Triggers for __doPostBack Events?

I have a situation where I need to set up triggers for an UpdatePanel on my webpage:

<asp:updatepanel id="updatepanel1" runat="server">
     <contenttemplate>
          <asp:label id="lblfoo" runat="server />
     </contenttemplate>
     <triggers>
          <asp:asyncpostbacktrigger controlid="CormantRadTabStrip1" eventname="???" />
     </triggers>
</asp:updatepanel>

Additionally, I have this snippet of JavaScript code:

function CloseAndSave() {
    window.__doPostBack(CormantRadTabStrip1);
}

Furthermore, on the server-side, I have implemented the IPostBackEventHandler interface in a class called CormantRadTabStrip.

I'm unsure about what event name to use in this context. What should I set as the eventname?

Thank you

public class CormantRadTabStrip : RadTabStrip, IPostBackEventHandler
{
    /// <summary>
    /// This is called when the GlobalSettings dialog window closes.
    /// </summary>
    /// <param name="eventArgument">JSON passed to the event representing state of tabs</param>
    void IPostBackEventHandler.RaisePostBackEvent(string eventArgument)
    {
        UpdateTabs();
    }
}

Answer №1

Make sure to set the eventname to match the type of event triggered by your bar (or CormantRadTabStrip1) control for the postback. You can refer to the msdn documentation for some common (default) values to use for the eventname.

Answer №2

To enhance user experience, consider adding a hidden Button and setting the OnClientClick event handler to window.__doPostBack(CormantRadTabStrip1);

Next, update the AsyncPostBackTrigger as shown below:

<triggers>
    <asp:asyncpostbacktrigger controlid="YouButtonID" eventname="ClientClick" />
</triggers>

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