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POHow do I cause a javascript visual effect from a controller when specific conditions are met?
 

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  1. POHow do I cause a javascript visual effect from a controller when specific conditions are met?
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    <p>I am currently writing a ASP.MVC application. I am almost done with it. I am now doing the look and feel of the website. The problem is that I have piece of javascript in my view which I would like to call from my controller when a specific condition is met.</p> <p>Here is the code examples.</p> <p>MenuController.cs:</p> <pre><code>[HttpPost] public ActionResult Create(FormCollection collection,Models.Menu sentData) { try { // TODO: Add insert logic here //db.Menus.AddObject(sentData); int existingQuery = (from m in db.Menus where m.Weekstart == Helper.GetNextMonday() &amp;&amp; m.category == sentData.category select m).Count(); if (existingQuery &gt; 0) { throw new Exception(); } Models.Menu MenuItem = new Models.Menu { Monday = sentData.Monday, Wednesday = sentData.Wednesday, Friday = sentData.Friday, category = sentData.category, Weekstart = Helper.GetNextMonday(), }; db.SaveChanges(); return RedirectToAction("Index"); } catch { //Javascript visual here return View(); } } </code></pre> <p>and here is the create view for this method.</p> <p>/Menu/Create.aspx</p> <pre><code> &lt;%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage&lt;Lunch_Ordering_Application.Models.Menu&gt;" %&gt; &lt;asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server"&gt; Create &lt;/asp:Content&gt; &lt;asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"&gt; &lt;h2&gt; Create&lt;/h2&gt; &lt;% using (Html.BeginForm()) {%&gt; &lt;%: Html.ValidationSummary(true) %&gt; &lt;fieldset&gt; &lt;div class="editor-label"&gt; &lt;%: Html.LabelFor(model =&gt; model.Monday) %&gt; &lt;/div&gt; &lt;div class="editor-field"&gt; &lt;%: Html.TextBoxFor(model =&gt; model.Monday) %&gt; &lt;%: Html.ValidationMessageFor(model =&gt; model.Monday) %&gt; &lt;/div&gt; &lt;div class="editor-label"&gt; &lt;%: Html.LabelFor(model =&gt; model.Wednesday) %&gt; &lt;/div&gt; &lt;div class="editor-field"&gt; &lt;%: Html.TextBoxFor(model =&gt; model.Wednesday) %&gt; &lt;%: Html.ValidationMessageFor(model =&gt; model.Wednesday) %&gt; &lt;/div&gt; &lt;div class="editor-label"&gt; &lt;%: Html.LabelFor(model =&gt; model.Friday) %&gt; &lt;/div&gt; &lt;div class="editor-field"&gt; &lt;%: Html.TextBoxFor(model =&gt; model.Friday) %&gt; &lt;%: Html.ValidationMessageFor(model =&gt; model.Friday) %&gt; &lt;/div&gt; &lt;div class="editor-label"&gt; &lt;%: Html.LabelFor(model =&gt; model.category) %&gt; &lt;/div&gt; &lt;div class="editor-field"&gt; &lt;%: Html.DropDownListFor(model =&gt; model.category,new SelectList(new List&lt;string&gt; {"Nothing","Traditional","Chill Out","Healthy Lifestyle","Vegitarian","Salad"})) %&gt; &lt;%: Html.ValidationMessageFor(model =&gt; model.category) %&gt; &lt;/div&gt; &lt;p&gt; &lt;input type="submit" value="Create" /&gt; &lt;/p&gt; &lt;/fieldset&gt; &lt;% } %&gt; &lt;div&gt; &lt;%: Html.ActionLink("Back to List", "Index") %&gt; &lt;/div&gt; &lt;script src="/js/all.js" type="text/javascript"&gt;&lt;/script&gt; &lt;script type="text/javascript"&gt; $(function () { ReadyMade.init(); $('.growl_trigger').live('click', function (e) {e.preventDefault(); $.msgGrowl({type: error, title: "Error!", text: 'The category for this list is already listed for next week Monday! Please change the categories here.'}); }); &lt;/script&gt; &lt;div class="msgGrowl-container bottom-right"&gt;&lt;/div&gt; &lt;/asp:Content&gt; </code></pre> <p>The javascript is at the bottom of the page. I want to attempt to call it if an exception occurs in the controller. Ignore the actual error message. Is this even "remotely" possible? Or is there an easier way?</p>
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