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POAjax.BeginForm(...) not always working, full postback sometimes, using ASP.NET MVC
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  1. POAjax.BeginForm(...) not always working, full postback sometimes, using ASP.NET MVC
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    copied!<p>I cannot for the life of me figure out why this postback <em>sometimes</em> does an ajax one as it is supposed to and sometimes it does not. Here is the relevant code:</p> <p>JS:</p> <pre><code>&lt;html&gt; &lt;head&gt; &lt;title&gt;Index&lt;/title&gt; &lt;link href="/Content/screen.css" rel="stylesheet" type="text/css" /&gt; &lt;!--[if lt IE 8]&gt;&lt;link href="/Content/ie.css" rel="stylesheet" type="text/css" /&gt;&lt;![endif]--&gt; &lt;link href="/Content/plugins/fancy-type/screen.css" rel="stylesheet" type="text/css" /&gt; &lt;link href="/Content/plugins/buttons/screen.css" rel="stylesheet" type="text/css" /&gt; &lt;link href="/Content/plugins/link-icons/screen.css" rel="stylesheet" type="text/css" media="screen, projection" /&gt; &lt;link href="/Content/jQueryUI/css/cupertino/jquery-ui-1.8.9.custom.css" rel="stylesheet" type="text/css" /&gt; &lt;link href="/Content/HelpDesk.css" rel="stylesheet" type="text/css" /&gt; &lt;link href="/Content/droppy.css" rel="stylesheet" type="text/css" /&gt; &lt;link href="/Content/tablesorter.css" rel="stylesheet" type="text/css" /&gt; &lt;script src="/Scripts/jquery-1.4.4.min.js" type="text/javascript"&gt;&lt;/script&gt; &lt;script src="/Scripts/jquery-ui.min.js" type="text/javascript"&gt;&lt;/script&gt; &lt;script src="/Scripts/jquery.validate.unobtrusive.min.js" type="text/javascript"&gt;&lt;/script&gt; &lt;script src="/Scripts/jquery.unobtrusive-ajax.min.js" type="text/javascript"&gt;&lt;/script&gt; &lt;script src="/Scripts/MicrosoftAjax.js" type="text/javascript"&gt;&lt;/script&gt; &lt;script src="/Scripts/MicrosoftMvcAjax.js" type="text/javascript"&gt;&lt;/script&gt; &lt;script src="/Scripts/jquery.droppy.js" type="text/javascript"&gt;&lt;/script&gt; &lt;script src="/Scripts/jquery.cascadingDropDown.js" type="text/javascript"&gt;&lt;/script&gt; &lt;script src="/Scripts/jquery.tablesorter.min.js" type="text/javascript"&gt;&lt;/script&gt; &lt;script type='text/javascript'&gt; $(function () { $('#nav').droppy(); }); &lt;/script&gt; &lt;script type="text/javascript"&gt; $(document).ready(function () { $("#targetStartDate").datepicker(); $("#targetEndDate").datepicker(); $("#ticketsHTMLTable").tablesorter({ sortList: [[0, 0], [1, 0]] }); $(".fakeLink").mouseover(function () { $(this).css("color", "red"); }); $(".fakeLink").mouseout(function () { $(this).css("color", "black"); }); }); &lt;/script&gt; &lt;/head&gt; </code></pre> <p>Here is my View (Razor):</p> <pre><code>@using (Ajax.BeginForm("Index", "Problem", new AjaxOptions { HttpMethod = "GET", UpdateTargetId = "ticketsTable", InsertionMode = InsertionMode.Replace })) { &lt;div class="notice"&gt; &lt;div class="prepend-1 span-2"&gt; &lt;label for="targetPriorityID"&gt; Priority&lt;/label&gt; &lt;/div&gt; &lt;div class="prepend-1 span-3"&gt; &lt;label for="targetStatusID"&gt; Status&lt;/label&gt; &lt;/div&gt; &lt;div class="span-3"&gt; &lt;label for="targetBusinessUnitID"&gt; Business Unit&lt;/label&gt; &lt;/div&gt; &lt;div class="span-3 prepend-1"&gt; &lt;label for="targetStartDate"&gt; Start Date&lt;/label&gt;&lt;/div&gt; &lt;div class="span-3 prepend-2"&gt; &lt;label for="targetEndDate"&gt; End Date&lt;/label&gt;&lt;/div&gt; &lt;div class="prepend-1 span-3 last"&gt; &amp;nbsp &lt;/div&gt; &lt;div class="prepend-1 span-2"&gt; @Html.DropDownList("targetPriorityID", new SelectList(ViewBag.Priorities as System.Collections.IEnumerable, "ID", "Title"), "All", new { @onchange = " this.form.submit();" }) &lt;/div&gt; &lt;div class="prepend-1 span-3"&gt; @Html.DropDownList("targetStatusID", new SelectList(ViewBag.Statuses as System.Collections.IEnumerable, "ID", "Title"),"All", new { @onchange="this.form.submit();" }) &lt;/div&gt; &lt;div class="span-3"&gt; @Html.DropDownList("targetBusinessUnitID", new SelectList(ViewBag.BusinessUnits as System.Collections.IEnumerable, "ID", "Title"), "All", new { @onchange = "this.form.submit();" }) &lt;/div&gt; &lt;div class="span-3 prepend-1"&gt;@Html.TextBox("targetStartDate", "", new { onchange = "this.form.submit();" })&lt;/div&gt; &lt;div class="span-3 prepend-2"&gt;@Html.TextBox("targetEndDate", "", new { onchange = "this.form.submit();" })&lt;/div&gt; &lt;div class="prepend-1 span-3 last"&gt; &lt;input type="submit" value="Hide" /&gt; &lt;/div&gt; &lt;br /&gt; &lt;br /&gt; &lt;br /&gt; &lt;/div&gt; } &lt;div id="ticketsTable"&gt; @Html.Partial("_AllTickets", Model) &lt;/div&gt; </code></pre> <p>And finally the controller,</p> <pre><code> [HttpPost] public ActionResult Index(int targetPriorityID = -1, int targetBusinessUnitID = -1, int targetStatusID = -1, string targetStartDate = "", string targetEndDate ="") { Repository&lt;Priority&gt; priorityRepository = new Repository&lt;Priority&gt;(); Repository&lt;BusinessUnit&gt; businessUnitRepository = new Repository&lt;BusinessUnit&gt;(); Repository&lt;Status&gt; statusRepository = new Repository&lt;Status&gt;(); ViewBag.Priorities = priorityRepository.GetAll(); ViewBag.BusinessUnits = businessUnitRepository.GetAll(); ViewBag.Statuses = statusRepository.GetAll(); var results = problemRepository.GetAll(); results = (targetPriorityID != -1) ? results.Where(t =&gt; t.PriorityID == targetPriorityID) : results; results = (targetBusinessUnitID != -1) ? results.Where(t =&gt; t.BusinessUnitID == targetBusinessUnitID) : results; results = (targetStatusID != -1) ? results.Where(t =&gt; t.StatusID == targetStatusID) : results; results = (targetStartDate != "") ? results.Where(t =&gt; t.DateReported &gt;= DateTime.Parse(targetStartDate)) : results; results = (targetEndDate != "") ? results.Where(t =&gt; t.DateReported &lt;= DateTime.Parse(targetEndDate)) : results; if (Request.IsAjaxRequest()) { return PartialView("__AllTickets", results); } return View(results); } </code></pre> <p>Any thoughts? </p>
 

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