Asp.net MVC web api Response.CreateResponse sending odd content

Question

Am currently communicating to a Mobile device using Windows Compact Framework 3.5. The message sent to the device is built is as thus,

HttpResponseMessage result;
var response = Encoding.UTF8.GetBytes("<?xml version=\"1.0\" encoding=\"windows-1252\"?><message type=\"response\"><header><datetime>2013-04-03T09:49:35</datetime><sender version=\"1.1.4.1138\"><userid>Connect Server</userid></sender><commandlist><module>ADMIN</module><command1>VALIDATE</command1></commandlist><result type=\"ok\"/></header></message>");

result = Request.CreateResponse(HttpStatusCode.OK, response);

The device then retrieves the message and then uses

Encoding.UTF8.GetString(responseContent);

After decoding the message is:

&lt;base64Binary xmlns="http://schemas.microsoft.com/2003/10/Serialization/"&gt;PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0id2luZG93cy0xMjUyIj8+PG1lc3NhZ2UgdHlwZT0icmVzcG9uc2UiPjxoZWFkZXI+PGRhdGV0aW1lPjIwMTMtMDQtMDNUMDk6NDk6MzU8L2RhdGV0aW1lPjxzZW5kZXIgdmVyc2lvbj0iMS4xLjQuMTEzOCI+PHVzZXJpZD5Db25uZWN0IFNlcnZlcjwvdXNlcmlkPjwvc2VuZGVyPjxjb21tYW5kbGlzdD48bW9kdWxlPkFETUlOPC9tb2R1bGU+PGNvbW1hbmQxPlZBTElEQVRFPC9jb21tYW5kMT48L2NvbW1hbmRsaXN0PjxyZXN1bHQgdHlwZT0ib2siLz48L2hlYWRlcj48L21lc3NhZ2U+&lt;/base64Binary&gt;

Tried decoding the message on the server before sending it off and it's fine. Unsure what could be going wrong.

Any help would be greatly appreciated.

Community · Accepted Answer · 2017-05-23 12:03:20Z

2

Request.CreateResponse() uses ObjectContent. For this scenario, you don't want that. You should use either StringContent or StreamContent to return the XML. See this question for details https://stackoverflow.com/a/15372410/6819

edited May 23, 2017 at 12:03

CommunityBot

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answered Apr 5, 2013 at 11:22

Darrel Miller

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Community · Accepted Answer · 2017-05-23 12:29:17Z

0

You are encoding your XML as binary. You are then returning a byte array. Then your client requests XML in the Accept: application/xml header. The Web API serializes the binary into XML. That's what you're seeing.

Just return the XML as a string and you should have no problems, unless you've tried that already?

See here for similar question.

edited May 23, 2017 at 12:29

CommunityBot

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answered Apr 5, 2013 at 10:35

Tim Rogers

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3 Comments

Darrel Miller Over a year ago

That will have the same problem because Request.CreateResponse uses ObjectContent which assumes you want to use an object serializer. Returning a string will get an XML serialization of a string object, complete with seralization namespaces.

Tim Rogers Over a year ago

@DarrelMiller I expect you're right. That makes the accepted answer on the question I linked to wrong or misleading.

Darrel Miller Over a year ago

The wierd thing about the question you linked to is that the OP is using StringContent, so that should return just fine. The only problem is StringContent sets the content-type to text/plain so that needs to be overridden. But yes, the accepted answer is misleading.

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