c# - How to set HTTP cache-control from .net web service? -

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I inherited a class ( system.Web.Services.WebService with a C # web service ) So a series of webMethods such as:

  [WebMethod, SoapHeader ("title", direction = SoapHeaderDirection.In)] [SoapDocumentMethod ("http://www.myservices.com/Services/ 1.1 #getMediaMetadata ")] Public MediaMetadata getMediaMetadata (String ID) {New MediaService (return). GetMetadata (ID); }  

I am trying to set the cache-control header in response to the HttpResponse.Cache.SetMaxAge Executing the service produces a default header:

  cache-control: private, max-age = 0  

I get the standard Cache SetMaxAge with a hardcoded header:

  HttpContext.Current.Response.AddHeader ("cache-control", "private, max age =" + (int) ttl totalSeconds) ;  

The web server still responds with the default cache-control. I suspect that ASP.NET web services want to adopt the web method after its execution. The suggestion below is not applicable in my situation to use WebMethod's CacheDuration feature.

Any advice?

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  [WebMethod (CacheDuration = 60), SoapHeader ("title", direction = SoapHeaderDirection. In]] SoapDocumentMethod ("http://www.myservices.com/Services/1.1####################################) Public MediaMetadata getMediaMetadata (String ID) {New Media Service Return () GetMetadata (ID); }  

This feature should be included in your move.

If you want to use context specifically then

  Context.Response.Cache.SetMaxAge (TimeSpan.FromSeconds (60));  

You will be safe to access references until it is empty. A simple check will solve for you