download xml file asp.net web api
public class OkXmlDownloadResult : IHttpActionResult
{
private readonly ApiController _controller;
public OkXmlDownloadResult(string xml, string downloadFileName,
ApiController controller)
{
if (xml == null)
{
throw new ArgumentNullException("xml");
}
if (downloadFileName == null)
{
throw new ArgumentNullException("downloadFileName");
}
if (controller == null)
{
throw new ArgumentNullException("controller");
}
Xml = xml;
ContentType = "application/xml";
DownloadFileName = downloadFileName;
_controller = controller;
}
public string Xml { get; private set; }
public string ContentType { get; private set; }
public string DownloadFileName { get; private set; }
public HttpRequestMessage Request
{
get { return _controller.Request; }
}
public Task<HttpResponseMessage> ExecuteAsync(CancellationToken cancellationToken)
{
return Task.FromResult(Execute());
}
private HttpResponseMessage Execute()
{
HttpResponseMessage response = new HttpResponseMessage(HttpStatusCode.OK);
response.Content = new StringContent(Xml);
response.Content.Headers.ContentType = MediaTypeHeaderValue.Parse(ContentType);
response.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment")
{
FileName = DownloadFileName
};
return response;
}
}
// Use this below code in controller
public class ValuesController : ApiController
{
public IHttpActionResult Get()
{
User user = new User()
{
FirstName = "First",
LastName = "Last"
};
// Alternative 1
XmlSerializer serializer = new XmlSerializer(typeof(User));
// Alternative 2
// DataContractSerializer serializer = new DataContractSerializer(typeof(User));
StringBuilder builder = new StringBuilder();
using (StringWriter writer = new StringWriter(builder))
{
serializer.Serialize(writer, user);
// alternative 2
// serializer.WriteObject(writer, user);
}
// create XML from your data.
return new OkXmlDownloadResult(builder.ToString(), "myfile.xml", this);
}
}
public class User
{
public string FirstName { get; set; }
public string LastName { get; set; }
}