How can I return bare result back to WCF client [duplicate]

This question already has answers here: WCF ResponseFormat For WebGet (4 answers) Closed 8 years ago.

I have code something like the following:

<OperationContract()>
<Description("")>
<WebGet(Bodystyle:=WebMessageBodyStyle.Bare, UriTemplate:="TestConnection")>
Function TestConnection() As String


Public Function TestConnection() As String Implements ITestSvc.TestConnection
    WebOperationContext.Current.OutgoingResponse.ContentType = "text/plain"
    Return "Connection Success"
End Function

But it returns is <string xmlns='...'>Connection Success</string>

How can I have only "Con开发者_开发技巧nection Success" to be returned without XML wrapper. I know that we can do something with MessageEncoder. But, I want to have it available at operation level (certain operations need XML/JSON wrappers and certain operations don't).

Can anyone help me on this?

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here is the simplest solution to return plain text. Set response format to xml and set outgoingresponse to text/html. Should do the trick.

[WebGet(ResponseFormat = WebMessageFormat.Xml)]
public string DoWork()
{

    WebOperationContext.Current.OutgoingResponse.ContentType = "text/html";
    return "THIS IS PLAIN TEXT";
}

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There is one way how to achieve this if you're dealing with HTTP, it's not exactly nice, but I thought I could mention it.

You can set the return type of your method to void and just output your raw string directly into the response.

[OperationContract]
[WebGet(UriTemplate = "foo")]
void Foo()
{
   HttpContext.Current.Response.Write("bar");
}

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The answer is here WCF ResponseFormat For WebGet (and it worked for me)