ASP.NET Web Api to return XML and get XML

Question

I have a controller which returns a data in json. I would like that method to return XML structure and get data back to XML structure.

I have added following code to WebApiConfig:

config.Routes.MapHttpRoute(
  name: "defaultapi",
  routeTemplate: "api/{controller}/{id}",
  defaults: new { id = RouteParameter.Optional }
);

config.Routes.MapHttpRoute(
  name: "VehicleApi",
  routeTemplate: "api/{controller}/{id}",
  defaults: new { id = RouteParameter.Optional }
);

config.Formatters.XmlFormatter.SupportedMediaTypes.Add(new MediaTypeHeaderValue("text/xml"));
var appXmlType = config.Formatters.XmlFormatter.SupportedMediaTypes.FirstOrDefault(t =&gt; t.MediaType == "application/xml");

Global.asax.cs

GlobalConfiguration.Configuration.Formatters.Clear();
GlobalConfiguration.Configuration.Formatters.Add(new System.Net.Http.Formatting.XmlMediaTypeFormatter());

Possible duplicate of How to return Xml Data from a Web API Method? — Clint
– Clint, Commented Jul 7, 2017 at 13:43

Badrinarayanan Lakshmiraghavan · Accepted Answer · 2013-11-20 06:15:18Z

18

To make ASP.NET Web API return XML, you don't need to make any code changes. Just ensure you have a header like this in the HTTP request.

Accept: application/xml

See this for more info on content negotiation.

answered Nov 20, 2013 at 6:15

Badrinarayanan Lakshmiraghavan

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3 Comments

Trupti Over a year ago

Where to add Accept: application/xml

Trupti Over a year ago

also let me know where do i have to create XML structure and respected xslt file, i am doing web api in ASP.NET MVC4

Nikolai Samteladze Over a year ago

Accept: application/xml should to to your request headers. Web API will automatically return XML. Here is a good post if you want to return only one format strathweb.com/2013/06/…

akerra · Accepted Answer · 2017-07-07 13:41:44Z

0

I found when using VBA MSXML2.XMLHTTP60 to make requests, setting the request header to Accept: application/xml would only return a blank xml object. To fix this, I added the following line to my WebApiConfig.cs file at the end of the Register function:

config.Formatters.Add(new XmlMediaTypeFormatter());

Then my objects were serialized as expected.

answered Jul 7, 2017 at 13:41

akerra

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Comments

cimey · Accepted Answer · 2018-08-07 09:45:01Z

0

Make sure that your return type is serializable.

answered Aug 7, 2018 at 9:45

cimey

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