When the jGrowl function is triggered, it disrupts the functionality of the thickbox in conjunction with UpdatePanel

Whenever a link is clicked, I trigger a thickbox like this:

<a href="createContact.aspx?placeValuesBeforeTB_=savedValues&TB_iframe=true&height=400&width=550&modal=true"
                            title="Add a new Contact" class="thickbox">Add a new Contact</a>

Additionally, when a server button is clicked, I invoke a JavaScript function to display a jGrowl notification:

ScriptManager.RegisterClientScriptBlock(this, typeof(Page), Guid.NewGuid().ToString(), "$(function(){$.jGrowl('No Contact found: " + searchContactText.Text + "');});", true);

Both functionalities work fine, except when the jGrowl notification appears before the thickbox. In such cases, the thickbox fails to work properly and the page displays as if the thickbox feature has been disabled.

Has anyone encountered this issue before?

UPDATE: I have created a test page without a Master Page:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm2.aspx.cs" Inherits="RoutingPortal.Presentation.WebForm2" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script src="../Scripts/jquery-1.6.2.js" type="text/javascript"></script>
<script src="../Scripts/jquery-ui-1.8.16.custom.min.js" type="text/javascript"></script>
<script src="../Scripts/thickbox.js" type="text/javascript"></script>
<script src="../Scripts/jquery.jgrowl.js" type="text/javascript"></script>
<link href="../Scripts/css/jquery.jgrowl.css" rel="stylesheet" type="text/css" />
<link rel="stylesheet" href="~/CSS/thickbox.css" type="text/css" media="screen" />
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<div>
    <a href="createContact.aspx?placeValuesBeforeTB_=savedValues&TB_iframe=true&height=400&width=550&modal=true"
            title="Add a new Contact" class="thickbox">Add a new Contact</a>
        <asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
</div>
</ContentTemplate>
</asp:UpdatePanel>
</form>
</body>
</html>

This is the codebehind:

namespace RoutingPortal.Presentation
{
public partial class WebForm2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        ScriptManager.RegisterClientScriptBlock(this.Page, typeof(Page), Guid.NewGuid().ToString(),
                "$(function(){$.jGrowl('My Message');});", true);
    }
}
}

I recently tested it without the UpdatePanel and everything worked perfectly. It seems to be a problem with the UpdatePanel or its interaction with the jGrowl function called from the codebehind.

Your assistance would be greatly appreciated.

UPDATE: I have attempted the solution provided by @Rick, changing the way the jGrowl script is executed from the codebehind:

ScriptManager.RegisterStartupScript(this.Page, typeof(Page), Guid.NewGuid().ToString(),
        "$.jGrowl('My Message');", true);

However, the issue persisted with the same outcome. Any other suggestions? Your help is invaluable.

UPDATE: I also tried this in IE8 and Chrome, encountering the same problem. Therefore, it does not appear to be related to the browser being used. Just thought I'd mention that.

Answer №1

It seems that the issue you are experiencing is not related to jGrowl, but rather to your utilization of an UpdatePanel.

When using an UpdatePanel, all elements within it are refreshed in the DOM. This means that the original <a> tag with its click event set for thickbox no longer exists after the refresh. Instead, a new <a> tag is created without being "initialized" during the partial postback, resulting in it behaving like a normal link.

There are various ways to address this problem depending on your circumstances.

Option 1: If your code does not alter the link during the postback handling, consider moving the

<div><a ...></a> </div>
outside of the UpdatePanel while leaving only the button inside. This will ensure that your link remains part of the page with its thickbox handler intact.

Option 2: In case Option 1 is not feasible, you can include JavaScript to re-attach the click handler for your link when the UpdatePanel loads. Try adding tb_init('a.thickbox'); to the function calling jGrowl.

Option 3: Alternatively, you could modify the thickbox.js file to utilize jQuery's live handler instead of the standard click handler. By changing the tb_init function to

$(domChunk).live('click', function(){..})
, the click functionality may be preserved even with the update panel process.

I hope these suggestions prove helpful.

Answer №2

The structure of your page's architecture isn't entirely clear to me, but as mentioned by @patmortech, the UpdatePanel is causing the complete replacement of DOM elements with each asynchronous postback. In order to ensure proper functionality, you will need to rebind any elements that have been affected.

$(document).ready may not suffice when working with updatepanels. It only gets triggered on the initial page load and does not fire after an UpdatePanel refresh. To address this issue, it is recommended to integrate ASP.NET's ajax framework into your configuration code.

Incorporate the following snippet wherever you are configuring the ThickBox and jGrowl links:

Sys.WebForms.PageRequestManager.getInstance().add_endRequest(function() {
    // page config code
});

This function is executed at the conclusion of the ASP.NET client lifecycle, allowing you to place your configuration code for elements within anUpdatePanel. If dealing with multiple UpdatePanels, you can determine which one has been updated using techniques like googling "add_endRequest". However, in many cases, it is simpler to rely on the client markup state to decide whether configuration is necessary or use code that won't cause issues if run multiple times on the same markup.

While using jquery live is a viable option, it may not be suitable for all scenarios.

Answer №3

void ButtonClick(object recipient, EventArgs event)
{
    ScriptManager.RegisterStartupScript(this.Page, typeof(Page), Guid.NewGuid().ToString(),
            "$.jGrowl('Custom Message');", true);
}

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