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POHow to return Rss from ApiController in MVC 4
 

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  1. POHow to return Rss from ApiController in MVC 4
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    <blockquote> <p><strong>Possible Duplicate:</strong><br> <a href="https://stackoverflow.com/questions/12437731/create-rss-feed-in-mvc4-webapi">Create RSS feed in MVC4/WebAPI</a> </p> </blockquote> <p>I want my controller to return rss. In MVC 3, I just create a <code>Controller</code> derived from <code>Controller</code>, <code>RssResult</code> to write rss, derived from <code>ActionResult</code>, then I return it in the controller, and everything works well.</p> <p>My problem is, how can I do that with <code>Controller</code> derived from <code>ApiController</code>?</p> <p>Thanks for your help :)</p> <p><strong>----------------Update----------------</strong></p> <p>Here is my controller:</p> <pre><code>public class HomeController : Controller { public ActionResult Index() { List&lt;IRss&gt; list = new List&lt;IRss&gt; { new Product { Title = "Laptop", Description = "&lt;strong&gt;The latest model&lt;/strong&gt;", Link = "/dell" }, new Product { Title = "Car", Description = "I'm the fastest car", Link = "/car" }, new Product { Title = "Cell Phone", Description = "The latest technology", Link = "/cellphone" } }; return new RssResult(list, "The best products", "Here is our best product"); } </code></pre> <p>Here is my <code>RssResult</code></p> <pre><code>public class RssResult : ActionResult { private List&lt;IRss&gt; items; private string title; private string description; /// &lt;summary&gt; /// Initialises the RssResult /// &lt;/summary&gt; /// &lt;param name="items"&gt;The items to be added to the rss feed.&lt;/param&gt; /// &lt;param name="title"&gt;The title of the rss feed.&lt;/param&gt; /// &lt;param name="description"&gt;A short description about the rss feed.&lt;/param&gt; public RssResult(List&lt;IRss&gt; items, string title, string description) { this.items = items; this.title = title; this.description = description; } public override void ExecuteResult(ControllerContext context) { XmlWriterSettings settings = new XmlWriterSettings {Indent = true, NewLineHandling = NewLineHandling.Entitize}; context.HttpContext.Response.ContentType = "text/xml"; using (XmlWriter writer = XmlWriter.Create(context.HttpContext.Response.OutputStream, settings)) { // Begin structure writer.WriteStartElement("rss"); writer.WriteAttributeString("version", "2.0"); writer.WriteStartElement("channel"); writer.WriteElementString("title", title); writer.WriteElementString("description", description); writer.WriteElementString("link", context.HttpContext.Request.Url.GetLeftPart(UriPartial.Authority)); // Individual item items.ForEach(x =&gt; { writer.WriteStartElement("item"); writer.WriteElementString("title", x.Title); writer.WriteStartElement("description"); writer.WriteCData(x.Description); writer.WriteEndElement(); writer.WriteElementString("pubDate", DateTime.Now.ToShortDateString()); writer.WriteElementString("link", context.HttpContext.Request.Url.GetLeftPart( UriPartial.Authority) + x.Link); writer.WriteEndElement(); }); // End structure writer.WriteEndElement(); writer.WriteEndElement(); } } } </code></pre> <p>Everything works well. But now, my controller changes into <code>public class HomeController : ApiController</code>. Now, what should I do to make this new controller work as the old one? How should I define the new <code>Index</code> method?</p>
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    1. USTriet Doan
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    1. COCreate a mediatypeformatter as done in this answer [Create RSS feed in MVC4/WebAPI](http://stackoverflow.com/questions/12437731/create-rss-feed-in-mvc4-webapi)
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    2. COYou mean I have to implement SyndicationFeedFormatter myself? But I don't use it. I only use XmlWriter to write the rss to response stream.
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    3. COYes I mean you have to implement SyndicationFeedformatter yourself if you want to use WebAPI as it's attended.
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