silverlight - Getting the label of an OptionSetValue through SOAP Service in CRM 2011 -


i have silverlight application needs label of optionsetvalue attribute activity entity. attribute logical name activitytypecode, , have following extension method retrieve attribute metadata:

    public static void retrieveattribute(this iorganizationservice service,         string entitylogicalname, string entityattributename,         action<organizationresponse> callback)     {                     var retrieveattributerequest = new organizationrequest()         {             requestname = "retrieveattribute",         };          retrieveattributerequest["entitylogicalname"] = entitylogicalname;         retrieveattributerequest["retrieveasifpublished "] = false;         retrieveattributerequest["logicalname"] = entityattributename;          service.beginexecute(retrieveattributerequest,             result =>             {                 if (result.iscompleted)                 {                     var response = service.endexecute(result);                      callback(response);                 }             }, null);     } 

and use follows on soapctx has been initialized:

soapctx.retrieveattribute("activitypointer", "activitytypecode",     orgresponse =>     {         if (orgresponse != null)         {             // examine orgresponse         }     }); 

i able debug procedure fails on line var response = service.endexecute(result); in extension method. following exception message:

the remote server returned error: notfound.

here's stacktrace if find useful:

{system.servicemodel.communicationexception: remote server returned error: notfound. ---> system.net.webexception: remote server returned error: notfound. ---> system.net.webexception: remote server returned error: notfound.    @ system.net.browser.browserhttpwebrequest.internalendgetresponse(iasyncresult asyncresult)    @ system.net.browser.browserhttpwebrequest.<>c__displayclass5.<endgetresponse>b__4(object sendstate)    @ system.net.browser.asynchelper.<>c__displayclass4.<beginonui>b__1(object sendstate) 

i appreciate or guidance, thanks!

aside anonymous method following worked me. please note metadataid

    private void startgetattributemetadata()     {         organizationrequest request = new organizationrequest() { requestname = "retrieveattribute" };         request["entitylogicalname"] = "activitypointer";         request["logicalname"] = "activitytypecode";         request["metadataid"] = guid.empty;         request["retrieveasifpublished"] = true;          iorganizationservice service = soapserverutility.getsoapservice();         service.beginexecute(request, new asynccallback(endgetattributemetadata), service);     }      private void endgetattributemetadata(iasyncresult result)     {         organizationresponse response = ((iorganizationservice)result.asyncstate).endexecute(result);     } 

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