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POAsp.NET MVC AjaxOptions OnSuccess fires.. too early?
 

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    <p>I'd like to use the OnSuccess option of AjaxOptions passed as Ajax.BeginForm argument to "do something" once the response is completely received and DOM updated. As far as I can undestand from MSDN, this is what this option do.</p> <p>In my application, OnSuccess script fires too early, immediately after the request is sent. I put to sleep the thread for a while, to better see the result. I supposed to see the OnSuccess script (an alert) fired after that sleep time, say, 2 seconds. I use Firebug to see what's happening under the hood, and all I see is: I click the button (submit inside the ajax form), alert is shown (2 seconds before expected), after 2 seconds firebug shows the request-response and nothing more happens.</p> <p>Where I'm wrong?</p> <p>Thanks in advance, mt</p> <p>Some sample code, as correctly asked (I started a blank new solution using Asp.NET MVC template in VS):</p> <p><b>Home/Index view:</b></p> <pre><code>&lt;asp:Content ID="indexContent" ContentPlaceHolderID="MainContent" runat="server"&gt; &lt;div id="divPlaceholder"&gt; &lt;% using (Ajax.BeginForm("DoLongTask", "Home", new AjaxOptions() { UpdateTargetId = "divPlaceholder", InsertionMode = InsertionMode.Replace, OnSuccess = "alert('onsuccess fired')" })) { %&gt; &lt;input type="submit" value="button" /&gt; &lt;% } %&gt; &lt;/div&gt; &lt;/asp:Content&gt; </code></pre> <p><b>HomeController</b></p> <pre><code>public ActionResult DoLongTask() { if (Request.IsAjaxRequest()) { System.Threading.Thread.Sleep(2000); return View(); } else { throw new NotSupportedException(); } } </code></pre> <p>I think this is enough to reproduce the behavior. An empty partial view can be used as DoLongTask view.</p>
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