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copied!<p>I've created a few WatiN Browser extension methods to solve this problem, but am still interested in other solutions.</p> <p>The <code>InjectAjaxMonitor</code> method creates a javascript global variable that attaches to the ajaxStart and ajaxComplete events to track the number of requests in progress. </p> <p>Whenever you need to wait for AJAX requests to complete before moving on, you can then call <code>browserInstance.WaitForAjaxRequest();</code>.</p> <hr> <pre><code>public static class BrowserExtensions { public static void WaitForAjaxRequest( this Browser browser ) { int timeWaitedInMilliseconds = 0; var maxWaitTimeInMilliseconds = Settings.WaitForCompleteTimeOut*1000; while ( browser.IsAjaxRequestInProgress() && timeWaitedInMilliseconds < maxWaitTimeInMilliseconds ) { Thread.Sleep( Settings.SleepTime ); timeWaitedInMilliseconds += Settings.SleepTime; } } public static bool IsAjaxRequestInProgress( this Browser browser ) { var evalResult = browser.Eval( "watinAjaxMonitor.isRequestInProgress()" ); return evalResult == "true"; } public static void InjectAjaxMonitor( this Browser browser ) { const string monitorScript = @"function AjaxMonitor(){" + "var ajaxRequestCount = 0;" + "$(document).ajaxSend(function(){" + " ajaxRequestCount++;" + "});" + "$(document).ajaxComplete(function(){" + " ajaxRequestCount--;" + "});" + "this.isRequestInProgress = function(){" + " return (ajaxRequestCount > 0);" + "};" + "}" + "var watinAjaxMonitor = new AjaxMonitor();"; browser.Eval( monitorScript ); } } </code></pre>

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