Call external Web Service using javascript CRM 2011 RU 12 (Rollup 12) -

until we'd been using ru 11 within our dynamics crm 2011 application have begun project move crm 2015. we've upgraded ru 12 , things fun!

i've managed sort out lot of coding issues present cannot life of me solve our issue of accessing external web service, passing parameters along way , retrieving data back.

at first had trouble "createxmlhttp()" function found great answer online indicating following function help:

function createxmlhttp() {     var ref = null;     if (window.xmlhttprequest) {         ref = new xmlhttprequest();     } else if (window.activexobject) { // older ie         ref = new activexobject("msxml2.xmlhttp.3.0");     }                 return ref;          } 

this worked fine , expected, have appeared connect service.

however, not retrieving data , issue tying me in knots.

as background, following code declare few integer variables before posting xml through webservice.

parseint(lnglicensnr); parseint(lngnrofusers); parseint(lngannualworkingtime); parseint(lngincludedhours); parseint(producttype);  if (licencetype == 100000000) {     var licensetype = "ltunlimitedmode";     lngincludedhours = 1000000; } if (licencetype == 100000001) {     var licensetype = "lthourlymode"; }  if (lnglicensnr != null && lngnrofusers != null && lngannualworkingtime != null && lngincludedhours != null && producttype != null && licensetype != null) {      var errmsg = "";     var errcount = 0;     var xml = "<soap:envelope xmlns:xsi=\"http://www.w3.org/2001/xmlschema-instance\" xmlns:xsd=\"http://www.w3.org/2001/xmlschema\" xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">";     xml += "<soap:body>";     xml += "<getbaseinstallationkey xmlns=\"http://www.keyservice.com/\">";     xml += "<licensnr>" + lnglicensnr + "</licensnr>";     xml += "<nrofusers>" + lngnrofusers + "</nrofusers>";     xml += "<annualworkingtime>" + lngannualworkingtime + "</annualworkingtime>";     xml += "<includedhours>" + lngincludedhours + "</includedhours>";     xml += "<producttype>" + baseproduct + "</producttype>";     xml += "<licensetype>" + licensetype + "</licensetype>";     xml += "</getbaseinstallationkey>";     xml += "</soap:body>";     xml += "</soap:envelope>";      try {         request = createxmlhttp();     } catch (ex) {         alert("an error occured while accessing webservice.\n\n1. " + ex.name + " \n " + ex.message + "\n\n");         errcount = 1;     }      if (errcount == 0) {         try {             request.open("post", "http://web01:8080/keywebservice/keywebservice.asmx", false);         } catch (ex) {             alert("an error occured while accessing webservice.\n\n2. " + ex.name + " \n " + ex.message + "\n\n");             errcount = 1;         }     }      if (errcount == 0) {         try {             request.setrequestheader("soapaction", "http://www.keyservice.com/getkey");             request.setrequestheader("host", "web01:8080");             request.setrequestheader("content-type", "text/xml; charset=utf-8");             request.setrequestheader("content-length", xml.length);             request.send(xml);             var xmldoc = request.responsexml;         } catch (ex) {             alert("an error occured while accessing webservice.\n\n3. " + ex.name + " \n " + ex.message + "\n\n");             errcount = 1;         }     }      if (errcount == 0 || request.responsexml != null) {         basekey = request.responsexml.text;     } else {         basekey = "no key generated";     } }  if (lnglicensnr == null || lngnrofusers == null || lngannualworkingtime == null || lngincludedhours == null || producttype == null || licensetype == null) {     alert('not parameters have been entered - not possible generate key without parameters'); } 

prior ru 12, code worked absolutely fine , last variable "basekey" retrieved web service.

however, whole process works fine in seems connect ok not retrieve "basekey" service.

i believe issue may related deprecated end points or schemas or deprecated code returns , displays value (i.e. var xmldoc = request.responsexml;) i'm not sure resolve.

if has ideas or can point me in right direction big help.

we had similar requirement call external web-service retrieve latest contract of contact , show on contact form.

we had our own definition of latest contract implement in webserivce. have call webservice on contact form load , pull data. not find answer. posting workaround this.

i had written plugin executes on retrieve of contact. plugin had call webservice , updates contact fields.

var javascriptserializer = new javascriptserializer(); javascriptserializer.maxjsonlength = 104857600; //200 mb unicode  stringbuilder uri = new stringbuilder(); uri.append(crmrestwebserviceurl).append(webservicemethod); var request = (httpwebrequest)webrequest.create(uri.tostring()); request.method = "post"; request.accept = "application/json"; request.contenttype = "application/json; charset=utf-8";  //serialize request object json , write request body   if (latestmembershiprequest != null)    {      var stringbuilder = new stringbuilder();      javascriptserializer.serialize(latestmembershiprequest, stringbuilder);      var requestbody = stringbuilder.tostring();      request.contentlength = requestbody.length;   var streamwriter = new streamwriter(request.getrequeststream(), system.text.encoding.ascii);  streamwriter.write(requestbody);  streamwriter.close();       }     var response = request.getresponse();   //read json response stream , deserialize var streamreader = new system.io.streamreader(response.getresponsestream()); var responsecontent = streamreader.readtoend().trim(); latestmembershipresponse latestmembershipresponse = javascriptserializer.deserialize<latestmembershipresponse>(responsecontent);    contacttoupdate["gr_membershiptitle"] = latestmembership.membershiptitle;   contacttoupdate["gr_membershipstartdate"] = convert.todatetime(latestmembership.membershipstartdate);   contacttoupdate["gr_membershipenddate"] = convert.todatetime(latestmembership.membershipenddate);   contacttoupdate["gr_membershipstatus"] = latestmembership.membershipstatus;   service.update(contacttoupdate);