asp.net - Jquery call wcf service giving 200 Parser Error -

i'm new wcf world. i'm having solution contains web app(which has jquery ajax call wcf services application project in solution. after 2 days of working(cracking) i'm in state able pass request , response

but while try show in alert gives me 200 parser error.

any highly appreciate

further ref

$.ajax({                     async: true,                     type: 'get', //get or post or put or delete verb                     url: 'http://localhost:61057/service1.svc/getcustomer', // location of service                     datatype: 'jsonp', //expected data format server                     success: function (data) {//on successfull service call                         servicesucceeded(data);                     },                     error: function () { servicefailed(data); } // when service call fails                 }); 

web.config

  <system.servicemodel>     <services>       <service name="fin.services.service1" behaviorconfiguration="defaultbehavior">         <endpoint address="http://localhost:61057/service1.svc" binding="webhttpbinding" contract="fin.services.iservice1" behaviorconfiguration="ajaxbehavior">           <identity>             <dns value="locahost"/>           </identity>         </endpoint>         <endpoint contract="imetadataexchange" binding="mexhttpbinding" address="mex"/>       </service>     </services>     <bindings>       <webhttpbinding>         <binding name="webbinding">           <security mode="none">           </security>         </binding>       </webhttpbinding>     </bindings>     <behaviors>       <servicebehaviors>         <behavior name="defaultbehavior">           <servicemetadata httpgetenabled="true"/>           <servicedebug includeexceptiondetailinfaults="true"/>         </behavior>       </servicebehaviors>       <endpointbehaviors>         <behavior name="ajaxbehavior">           <enablewebscript/>         </behavior>        </endpointbehaviors>      </behaviors>   </system.servicemodel> 

service interface :

[webinvoke(responseformat = webmessageformat.json, method = "get", bodystyle = webmessagebodystyle.wrappedrequest, requestformat = webmessageformat.json)]         [operationcontract]         string getcustomer(); 

if need no argument, add following in ajax call ..

data: "{}",