If something goes wrong in a WCF REST call, such as the requested resource is not found, how can I play with the HTTP response code (setting it to something like HTTP 404, for example) in my OperationContract method?
7 Answers
There is a WebOperationContext that you can access and it has a OutgoingResponse property of type OutgoingWebResponseContext which has a StatusCode property that can be set.
WebOperationContext ctx = WebOperationContext.Current;
ctx.OutgoingResponse.StatusCode = System.Net.HttpStatusCode.OK;
For 404 there is a built in method on the WebOperationContext.Current.OutgoingResponse called SetStatusAsNotFound(string message) that will set the status code to 404 and a status description with one call.
Note there is also, SetStatusAsCreated(Uri location) that will set the status code to 201 and location header with one call.
You can also return a statuscode and reason body with WebOperationContext's StatusCode and StatusDescription:
WebOperationContext context = WebOperationContext.Current;
context.OutgoingResponse.StatusCode = HttpStatusCode.OK;
context.OutgoingResponse.StatusDescription = "Your Message";
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