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Thread: [RESOLVED] WCF service in local IIS and run with Jquery.

  1. #1

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    Resolved [RESOLVED] WCF service in local IIS and run with Jquery.

    Hi.
    Is that so hard? Do i need cross domain stuff???
    I am creating a simple WCF and i want to call it from local IIS. I cannot do it, whatever i try.
    The service will work if i have it inside a web site but not stand alone.
    Here is the data:
    Code:
    ''Service:
    Imports System.ServiceModel.Activation
    Imports System.Web.Script.Serialization
    
    ' NOTE: You can use the "Rename" command on the context menu to change the class name "VSAPIAJAX" in code, svc and config file together.
    <AspNetCompatibilityRequirements(RequirementsMode:=AspNetCompatibilityRequirementsMode.Allowed)> _
    Public Class VSAPIAJAX
        Implements IVSAPIAJAX
    
        Public Sub DoWork() Implements IVSAPIAJAX.DoWork
        End Sub
    
        Function test() As String Implements IVSAPIAJAX.test
            Return "g"
        End Function
    End Class
    Code:
    interface:
    Imports System.ServiceModel
    Imports System.ServiceModel.Web
    Imports System.Runtime.Serialization
    
    ' NOTE: You can use the "Rename" command on the context menu to change the interface name "IVSAPIAJAX" in both code and config file together.
    <ServiceContract()>
    Public Interface IVSAPIAJAX
    
        <OperationContract()>
        Sub DoWork()
    
        <WebInvoke(Method:="POST", ResponseFormat:=WebMessageFormat.Json)> _
        <OperationContract()> _
        Function test() As String
    
    
    End Interface
    Code:
    <?xml version="1.0"?>
    <configuration>
    
      <system.web>
        <compilation debug="true" strict="false" explicit="true" targetFramework="4.0" />
      </system.web>
      <system.serviceModel>
        <behaviors>
          <endpointBehaviors>
            <behavior name="ServiceAspNetAjaxBehavior">
              <enableWebScript />
            </behavior>      
          </endpointBehaviors>
          <serviceBehaviors>
            <behavior name="ServiceBehavior">
              <serviceMetadata httpGetEnabled="true" />
              <serviceDebug includeExceptionDetailInFaults="true" />
            </behavior>              
            <behavior name="">
              <serviceMetadata httpGetEnabled="true" />
              <serviceDebug includeExceptionDetailInFaults="false" />
            </behavior>
          </serviceBehaviors>      
        </behaviors>
        <serviceHostingEnvironment aspNetCompatibilityEnabled="true"
          multipleSiteBindingsEnabled="true" />
        <services>
          <service behaviorConfiguration="ServiceBehavior" name="VSAPIAJAX">
            <endpoint address="" behaviorConfiguration="ServiceAspNetAjaxBehavior"
              binding="webHttpBinding" contract="IVSAPIAJAX">
              <!--  <identity>
                <dns value="localhost" />
              </identity> -->
            </endpoint>        
          </service>         
        </services>
      </system.serviceModel>
      <system.webServer>
        <modules runAllManagedModulesForAllRequests="true"/>
      </system.webServer>
      
    </configuration>
    Code:
    //Javascript
    
    <script src="Javascript/jquery-1.11.2.min.js" type="text/javascript"></script>
     <script type="text/javascript">
         $(document).ready(function () {
             $.ajax({
                 type: "POST",
                 url: "http://localhost:15328/VSAPIAJAX.svc/test",
                 data: "{}",
                 contentType: "application/json; charset=utf-8",
                 dataType: "json",
                 success: function (response) {
                     alert('d');
                     try {
                         var oRetVal = response.d;
                         alert(d);
                     }
                     catch (ex) {
                         alert(ex);
                     }
                 },
                 failure: function (msg) {
                     alert(msg);
                 }
             });
             alert('error');
         });
         </script>
    Have tried local iis and local website asp server.Cannot get anything. Is this so hard to call a WCF service outside a web site?
    Thanks
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  2. #2

    Thread Starter
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    Re: WCF service in local IIS and run with Jquery.

    get 404 not found with this:
    Code:
     $(document).ready(function () {
            
    
                 $.ajax({
                     dataType: 'jsonp',
                     contentType: "text/json; charset=utf-8",
                     data: "",
                     url: "http://localhost/vsapiajax.svc/test",
                     success: function (response) {
                         var innerHtml = "";
                        alert('d');                     
    
                     }
                 });
             
             alert('error');
         });
    When i go to http://localhost/vsapiajax.svc i can see the service. When i go to http://localhost/vsapiajax.svc/test i get a blank page but there are no errors presented in the browser.
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  3. #3
    Frenzied Member Lightning's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    You should add the ScriptService directive to the operation-name
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  4. #4

    Thread Starter
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    Re: WCF service in local IIS and run with Jquery.

    Hi.
    Have you actually succeed in running a site?
    Nothing seems to work for me.
    I've added - removed and made combinations but nothing works.
    Here is all the stuff i add and remove:
    Code:
    <System.Web.Script.Services.ScriptService()> _
    <ServiceContract()>
     <WebService(Namespace:="http://tempuri.org/")> _
        <WebServiceBinding(ConformsTo:=WsiProfiles.BasicProfile1_1)> _  
    Public Interface IVSAPIAJAX
    
        <WebMethod()> _
           <ScriptMethod(ResponseFormat:=ResponseFormat.Json)> _
            <WebInvoke(Method:="POST", ResponseFormat:=WebMessageFormat.Json)> _
        Function test() As String
    Also read that maybe i need CORS operations? But i have no idea how to do that and jsonp only works for get methods.
    Last edited by sapator; Apr 23rd, 2015 at 02:28 AM.
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  5. #5
    Superbly Moderated NeedSomeAnswers's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    You need Szlamany he's a big JavaScript / Json user !

    unfortunately all my web service are consumed by C# code not JavaScript and so while they work on the local host (which shows they can be consumed) i cant be of much help
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  6. #6

    Thread Starter
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    Re: WCF service in local IIS and run with Jquery.

    I'm not sure Szlamany uses WCF at all, he despise it I probably need sapator here but as you can see sapator has the issue.
    I can consume WCF with JS in a web site - application that hosts the wcf inside the website but i cannot , for the life of me, consume it as stand alone.
    I think this is either a CORS issue (don't have a clue how to run POST requests and not only GET), a web.config issue or a webservice issue on the public interface class.
    I have not found anything on the web. It's like everryone is making a website to call the WCF but that is not my intention here as I need this to be called not only from the website itself.
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  7. #7
    MS SQL Powerposter szlamany's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    Where is this being executed from? Not in a browser from what I believe you are saying - right?

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  8. #8
    MS SQL Powerposter szlamany's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    Or is it just that you have never run a local IIS setup??

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  9. #9

    Thread Starter
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    Re: WCF service in local IIS and run with Jquery.

    asp.net web site just to host the javascript and I tried to execute in Local IIS, IIS Express and in asp.net - visual studio self created IIS.
    Hmm, let me clarify better. The WCF application is hosted in all IIS possible combinations except a remote IIS and the web site tried to call the web application methods - services with the usual Jquery - Json calls.
    Will work if i host the WCF inside a web site - application and i get a breakpoint hit. Will not work if I host it as a stand alone WCF app but will work if i call it with server side methods ( that I do not want to do because I would have to have a server sided web side a.k.a. - Yack, hate MVC etc...)
    Last edited by sapator; Apr 23rd, 2015 at 04:49 PM.
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  10. #10
    MS SQL Powerposter szlamany's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    This is the way I specify a URL for a $.ajax POST

    Code:
    $.ajax({
        type: "POST",
        url: "WebService.asmx/SourceService",
        dataType: "json",
        data: strWebParam,
        contentType: "application/json; charset=utf-8",
        success: function(msg) {
            ajaxAsyncFinished(msg, strNewAccordion, "success", options);
        },
        failure: function(msg) {
            ajaxAsyncFinished(msg, strNewAccordion, "failure", {});
            $("#" + strNewAccordion).val("Loading...failure...");
        },
        error: function(msg) {
            ajaxAsyncFinished(msg, strNewAccordion, "error", {});
            $("#" + strNewAccordion).val("Loading...error...");
        }
    });
    So yours would be

    url: "VSAPIAJAX.svc/test",

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  11. #11

    Thread Starter
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    Re: WCF service in local IIS and run with Jquery.

    I do not think that this will work for IIS calls. Especially for calls outside of my local PC space,even if the domain is the same. If the WCF is on 192.168.101.20 and I am on 192.168.101.30 then I do not think the above will work.
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  12. #12

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    Re: WCF service in local IIS and run with Jquery.

    I get not found with your url (seems logical) and with a specified IIS url i get:
    XMLHttpRequest cannot load http://localhost/vsapiajax/vsapiajax.svc/test. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:13682' is therefore not allowed access. The response had HTTP status code 400.
    CORS issue?

    http://localhost/VSAPIAJAX/vsapiajax.svc will show the services /test will show a blank page but no error. Not sure if it sees the service.
    Last edited by sapator; Apr 24th, 2015 at 02:06 AM.
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  13. #13

    Thread Starter
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    Re: WCF service in local IIS and run with Jquery.

    http://localhost/VSAPIAJAX/vsapiajax.svc/test will show 400 bad request on firebug.
    Fiddler will also show 400 bad request.
    Is this a web.config thing. I have also tried basichttpbinding with no avail. What the? Is this not supported on WCF? I can only call inside an app?
    When i open the service console i am getting the value back from test.
    This may be beyond the ajax call as i will get 400 bad request simply by calling the service (/test) in a browser.
    Last edited by sapator; Apr 24th, 2015 at 02:39 AM.
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  14. #14
    Superbly Moderated NeedSomeAnswers's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    I probably need sapator here but as you can see sapator has the issue.
    lol thanks you for my morning Chuckle

    I'm not sure Szlamany uses WCF at all, he despise it
    Oh i maybe wrong but i thought he did use WCF for web services and just didnt use any ASP for front end dev!! Szlamany am i right or have i got that completely wrong?

    Will work if i host the WCF inside a web site
    Ok so maybe something is getting lost in translation ... but

    - WCF is used to build the WebService itself which should live in a WCF Service Application which is a project option in VS !!!

    Then with a standalone service you can then call that from any website you wish.

    This is how i do it, create the WCF Service, set the service up in IIS and set it runnig, call the service methods from my web app

    Are you currently doing something else?
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  15. #15
    MS SQL Powerposter szlamany's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    Quote Originally Posted by sapator View Post
    I do not think that this will work for IIS calls. Especially for calls outside of my local PC space,even if the domain is the same. If the WCF is on 192.168.101.20 and I am on 192.168.101.30 then I do not think the above will work.
    My web methods DO RUN is IIS.

    So why would you think this would not work for IIS?

    Did you GET a PAGE from this URL previously and you are executing the AJAX call from with the confines of that PAGE that you started with??

    AJAX calls want you to specify the SERVICE and FUNCTION within. You cannot specify the FULL URL or cross domain problems come up.

    Obviously in a browser you specify the whole URL.

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  16. #16
    MS SQL Powerposter szlamany's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    Quote Originally Posted by NeedSomeAnswers View Post
    Oh i maybe wrong but i thought he did use WCF for web services and just didnt use any ASP for front end dev!! Szlamany am i right or have i got that completely wrong?
    I do not use WCF.

    I've created my own web methods that I call from JS with AJAX.

    Doesn't this just come down to JS and AJAX - and isn't the cross domain issue all about not being able to specify a full URL - instead just the SERVICE/FUNCTION name.

    In my jQuery AJAX call I have this

    Code:
    url: "WebService.asmx/SourceService",
    And in IIS I have this function.

    Code:
    Option Strict On
    Option Explicit On
    
    Imports System.Web
    Imports System.Web.Services
    Imports System.Web.Services.Protocols
    Imports System.Web.Script.Services
    Imports System.Web.Script.Serialization
    Imports System.Data
    Imports System.Data.SqlClient
    Imports System.Collections.Generic
    Imports System.Linq
    Imports System.DirectoryServices.AccountManagement
    Imports System.IO
    Imports System.Diagnostics
    Imports System.Object
    
    Imports DocumentFormat.OpenXml
    Imports DocumentFormat.OpenXml.Packaging
    Imports DocumentFormat.OpenXml.Spreadsheet
    
    ' To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line.
    ' <System.Web.Script.Services.ScriptService()> _
    <WebService(Namespace:="AWCService")> _
    <WebServiceBinding(ConformsTo:=WsiProfiles.BasicProfile1_1)> _
    <Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
    <System.Web.Script.Services.ScriptService()> _
    Public Class WebService
        Inherits System.Web.Services.WebService
    
        <WebMethod()> _
        <ScriptMethod(ResponseFormat:=ResponseFormat.Json, UseHttpGet:=False)> _
        Public Function AddService(ByVal toddtype As String, ByVal fromddtype As String, ByVal fromwho As String _
                                              , ByVal choice As Integer _
                                              , ByVal objReturn As Dictionary(Of String, String) _
                                              , ByVal addkey As String _
                                              , ByVal sguid As String _
                                              , ByVal username As String) As String

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  17. #17
    Superbly Moderated NeedSomeAnswers's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    My service URI's look like this -

    Code:
    private static readonly string webServiceUri = "http://localhost:57732/RestServiceImpl.svc/json";                    //Local
    private static readonly string webServiceUri = "http://[servername]/DTOLRestService/RestServiceImpl.svc/json";       //Server
    and the interface for my rest service looks like this -

    Code:
    [ServiceContract]
        public interface IRestServiceImpl
        {
            [OperationContract]
            [WebInvoke(Method = "GET",
                ResponseFormat = WebMessageFormat.Json,
                BodyStyle = WebMessageBodyStyle.Wrapped,
                UriTemplate = "json/{id}")]
            string JsonData(string id);
        }
    if that's of any help
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  18. #18
    Superbly Moderated NeedSomeAnswers's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    I do not use WCF.

    I've created my own web methods that I call from JS with AJAX.
    Ah so i was wrong, nevermind
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  19. #19
    MS SQL Powerposter szlamany's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    The URI string doesn't tell you what the internal AJAX call is using for a URL. Can you go into FireBug and see what was actually used?

    The page has to LOAD before the SERVICE can be executed from what I know.

    Does it work that way in WCF also?

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  20. #20

    Thread Starter
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    Re: WCF service in local IIS and run with Jquery.

    Quote Originally Posted by szlamany View Post
    My web methods DO RUN is IIS.



    AJAX calls want you to specify the SERVICE and FUNCTION within. You cannot specify the FULL URL or cross domain problems come up.

    Obviously in a browser you specify the whole URL.
    Ok so how would I go about calling a service from another IIS but the local? Let's say I have the service in IIS on 192.168.100.20 and my computer is 192.168.100.30,
    how would i call the WCF on JS? url =??? If i use just /vsapiservice/test then I am just calling something local.
    The example you give is simple webservice (saw the webmethod part ) I can't use simple webservices, not my call.

    @Needsomeanswers have you tried using the WCF with Jquery?? As I've said I can call the service up down reverse and in full speed if i do it from server side code but not in Jquery.
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  21. #21
    Superbly Moderated NeedSomeAnswers's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    @Needsomeanswers have you tried using the WCF with Jquery?? As I've said I can call the service up down reverse and in full speed if i do it from server side code but not in Jquery.
    Ah no i have not sorry, all my calls are server side at the moment.
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  22. #22

    Thread Starter
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    Re: WCF service in local IIS and run with Jquery.

    Ok. Can we unmix things here?
    The WCF I am going to use will be on an IIS, somewhere in the domain. So the call should not be myservice/test but http://192.168.100.20/myservice/test . If that is not supported there is no way to call a remote IIS.
    The WCF application host the WCF services. I do not know the exact mambo jumbo but calling it from Ajax will call the service, not a page load wait.I guess.
    How will you call a web service on http://www.serverX/Webservice1/service1 ? obviously doing Webservice1/service1 will not work.
    You need the full address..
    Last edited by sapator; Apr 24th, 2015 at 05:44 AM.
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  23. #23
    MS SQL Powerposter szlamany's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    You have to execute an ajax call from within the confines of a page already loaded from that domain.

    Otherwise it's cross domain and that's evil.

    When I say DOMAIN it's the WWW domain I'm taking about - not just some other machine on a network.

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  24. #24
    MS SQL Powerposter szlamany's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    Quote Originally Posted by NeedSomeAnswers View Post
    Ah no i have not sorry, all my calls are server side at the moment.
    It looks like JS code though in your WCF setup - right?

    So that code is being pushed to the browser to execute.

    Which is something do myself in other situations.

    None of this changes the way the internal ajax is called. It's just another MS layer on top of the real stuff
    Last edited by szlamany; Apr 24th, 2015 at 06:05 AM.

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  25. #25

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    Re: WCF service in local IIS and run with Jquery.

    I'm calling this non possible until proven otherwise. There is not one valid and working example anywhere to be found on the web.
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  26. #26
    MS SQL Powerposter szlamany's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    Why would you think that WCF would get you the ability to cross domain post?

    Your AJAX runs against the URL that you originally loaded the PAGE from. Any FILE in that ROOT folder or SUB folder you can get to.

    I AJAX to my web methods and also AJAX in IFRAMES to UPLOAD and DOWNLOAD pages.

    What are you trying to achieve??

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  27. #27

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    Re: WCF service in local IIS and run with Jquery.

    A simple example would be the yahoo weather API that i have used.
    You call it with a webservice (not WCF though) and you get the data.
    It's of course on another domain.
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  28. #28
    MS SQL Powerposter szlamany's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    With the same type of AJAX call?

    Do you have the dev-iis environment fired up on the development machine you are connect to?

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  29. #29

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    Re: WCF service in local IIS and run with Jquery.

    Same but WCF. The IIS is at my job, it's working fine as i can call WCF from with server calls.
    I also have a remote (in the same domain) IIS that is hosting our test websites, so I can use that too on Monday.
    I just need the service init calls (p.e. <aspcombatibility...etc> one line return function and a correct web.config. After that I can take it from there and connect with Jquery. Jquery is not the issue here, i have created an entire site with AJAX and WCF but the damn WCF is inside the web site so i have no problems calling the methods.
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  30. #30

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    Re: WCF service in local IIS and run with Jquery.

    Anyhow the general idea is to call a WCF service from AJAX from a web app (and WCF not being inside your app).
    Probably won't get answers since i think no one has done something like this here but here goes: I am using CORS as it seems it is the only way to call a WCF service outside your app.
    I get an error and cannot configure <crossOriginResourceSharingBehavior /> and also it will not work on AJAX calls.
    Get a load of this cr#p that we need in order for WCF to work(and after all these, still does not work.)!

    web service:
    Code:
    ' NOTE: You can use the "Rename" command on the context menu to change the interface name "IService1" in both code and config file together.
    ' NOTE: You can use the "Rename" command on the context menu to change the class name "Service1" in code, svc and config file together.
    Imports System.ServiceModel
    Imports System.ServiceModel.Web
    
    <System.Web.Script.Services.ScriptService()> _
    <ServiceContract()> _
    Public Interface IService1
    
        ''<WebInvoke(Method:="POST", ResponseFormat:=WebMessageFormat.Json)> _
        <WebGet(UriTemplate:="GetData", ResponseFormat:=WebMessageFormat.Json)>
       <OperationContract()> _
        Function GetData() As String
    End Interface
    web service.vb:
    Code:
    ' NOTE: You can use the "Rename" command on the context menu to change the class name "Service1" in code, svc and config file together.
    Imports System
    Imports System.ServiceModel.Activation
    
    <AspNetCompatibilityRequirements(RequirementsMode:=AspNetCompatibilityRequirementsMode.Allowed)> _
    Public Class Service1
        Implements IService1
    
    
        Public Function GetData() As String Implements IService1.GetData
            Return ("x")
        End Function
    End Class
    CORS: (aka Crap Of Reliable Software)...
    Are you ready?!!
    I said are you ready?!!!!
    GO!
    Code:
    Imports System
    Imports System.Collections.Generic
    Imports System.ServiceModel
    Imports System.ServiceModel.Channels
    Imports System.ServiceModel.Configuration
    Imports System.ServiceModel.Description
    Imports System.ServiceModel.Dispatcher
    
    Namespace CORSExample
    
        Public Class CORSEnablingBehavior
            Inherits BehaviorExtensionElement
            Implements IEndpointBehavior
    
            Public Sub AddBindingParameters(ByVal endpoint As ServiceEndpoint, ByVal bindingParameters As BindingParameterCollection) Implements System.ServiceModel.Description.IEndpointBehavior.AddBindingParameters
    
            End Sub
    
            Public Sub ApplyClientBehavior(ByVal endpoint As ServiceEndpoint, ByVal clientRuntime As ClientRuntime) Implements System.ServiceModel.Description.IEndpointBehavior.ApplyClientBehavior
    
            End Sub
    
            Public Sub ApplyDispatchBehavior(ByVal endpoint As ServiceEndpoint, ByVal endpointDispatcher As EndpointDispatcher) Implements System.ServiceModel.Description.IEndpointBehavior.ApplyDispatchBehavior
                endpointDispatcher.DispatchRuntime.MessageInspectors.Add(New CORSHeaderInjectingMessageInspector)
            End Sub
    
            Public Sub Validate(ByVal endpoint As ServiceEndpoint) Implements System.ServiceModel.Description.IEndpointBehavior.Validate
    
            End Sub
    
            Public Overrides ReadOnly Property BehaviorType As Type
                Get
                    Return GetType(CORSEnablingBehavior)
                End Get
            End Property
    
            Protected Overrides Function CreateBehavior() As Object
                Return New CORSEnablingBehavior
            End Function
    
            Private Class CORSHeaderInjectingMessageInspector
                Implements IDispatchMessageInspector
    
                Public Function AfterReceiveRequest(ByRef request As Message, ByVal channel As IClientChannel, ByVal instanceContext As InstanceContext) As Object Implements System.ServiceModel.Dispatcher.IDispatchMessageInspector.AfterReceiveRequest
                    Return Nothing
                End Function
    
    
                Private Shared _headersToInject As IDictionary(Of String, String) = New Dictionary(Of String, String)() From { _
                 {"Access-Control-Allow-Origin", "*"}, _
                 {"Access-Control-Request-Method", "POST,GET,PUT,DELETE,OPTIONS"}, _
                 {"Access-Control-Allow-Headers", "X-Requested-With,Content-Type"} _
                }
    
                Public Sub BeforeSendReply(ByRef reply As Message, ByVal correlationState As Object) Implements System.ServiceModel.Dispatcher.IDispatchMessageInspector.BeforeSendReply
                    Dim httpHeader As Object = CType(reply.Properties("httpResponse"), HttpResponseMessageProperty)
                    For Each item As Object In _headersToInject
                        httpHeader.Headers.Add(item.Key, item.Value)
                    Next
                End Sub
            End Class
        End Class
    End Namespace
    web.config
    Code:
    <?xml version="1.0"?>
    <configuration>
    
      <appSettings>
        <add key="aspnet:UseTaskFriendlySynchronizationContext" value="true" />
      </appSettings>
    
      <system.web>
        <compilation debug="true" targetFramework="4.5" />
        <httpRuntime targetFramework="4.0"/>
      </system.web>
    
      <system.serviceModel>
        <extensions>
          <behaviorExtensions>
            <add
              name="crossOriginResourceSharingBehavior"
              type="WcfService1.CORSEnablingBehavior, WcfService1, Version=1.0.0.0, Culture=neutral" />
          </behaviorExtensions>
        </extensions>
    
        <behaviors>
          <serviceBehaviors>
            <behavior>
              <serviceMetadata httpGetEnabled="true" httpsGetEnabled="true"/>
              <serviceDebug includeExceptionDetailInFaults="true"/>
            </behavior>
          </serviceBehaviors>
          <endpointBehaviors>
            <behavior>
              <webHttp />
          
              <!-- <crossOriginResourceSharingBehavior /> -->
            </behavior>
          </endpointBehaviors>
        </behaviors>
        <serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" />
        <services>
          <service name="WcfService1.Service1">
            <endpoint address="" binding="webHttpBinding" contract="WcfService1.IService1" />
          </service>
        </services>
    
      </system.serviceModel>
    
      <system.webServer>
        <modules runAllManagedModulesForAllRequests="true"/>
        <directoryBrowse enabled="true"/>
      </system.webServer>
    
    </configuration>
    So anyhow if I ever find what the F is going on I will let you know and submit it in code data as I would probably be the first to ever pull this off in VB.
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  31. #31

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    Re: WCF service in local IIS and run with Jquery.

    Managed to make it use GET! Cannot use POST though. Sap please help! :P
    Code:
      Public Function GetData() As String Implements IService1.GetData
            'for all cors requests  
            WebOperationContext.Current.OutgoingResponse.Headers.Add("Access-Control-Allow-Origin", "*")
            'identify preflight request and add extra headers  
            If WebOperationContext.Current.IncomingRequest.Method = "OPTIONS" Then
                WebOperationContext.Current.OutgoingResponse.Headers.Add("Access-Control-Allow-Methods", "POST, OPTIONS, GET")
                WebOperationContext.Current.OutgoingResponse.Headers.Add("Access-Control-Allow-Headers", "Content-Type, Accept, Authorization, x-requested-with")
                Return Nothing
            End If
            Return "Hello!"
        End Function
    Code:
    ' NOTE: You can use the "Rename" command on the context menu to change the interface name "IService1" in both code and config file together.
    ' NOTE: You can use the "Rename" command on the context menu to change the class name "Service1" in code, svc and config file together.
    Imports System.ServiceModel
    Imports System.ServiceModel.Web
    
    <System.Web.Script.Services.ScriptService()> _
    <ServiceContract()> _
    Public Interface IService1
    
    
    
    
        '<WebInvoke(Method:="POST", ResponseFormat:=WebMessageFormat.Json)> _
            <WebGet(UriTemplate:="GetData", ResponseFormat:=WebMessageFormat.Json)>
       <OperationContract()> _
        Function GetData() As String
    End Interface
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  32. #32

    Thread Starter
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    Re: WCF service in local IIS and run with Jquery.

    OK. This is supposed to work but it does not. It will give 200 ok but will never get to the function, only go to the error clause.
    Maybe I'm using something wrongly. Anyone take a look, at least to verify that I haven't done something wrong?
    Thanks.
    Service1.svc
    Code:
    Imports System.ServiceModel.Activation
    
    ' NOTE: You can use the "Rename" command on the context menu to change the class name "Service1" in code, svc and config file together.
    <AspNetCompatibilityRequirements(RequirementsMode:=AspNetCompatibilityRequirementsMode.Allowed)> _
    Public Class Service1
        Implements IService1
    
        Public Sub New()
        End Sub
    
    
    
        <WebInvoke(Method:="POST", RequestFormat:=WebMessageFormat.Json, ResponseFormat:=WebMessageFormat.Json, UriTemplate:="/GetMedicalHistory")>
        Function GetMedicalHistory() As String Implements IService1.GetMedicalHistory
            Return "x"
        End Function
    End Class
    Used inside Global.asax now:
    Code:
    Sub Application_BeginRequest(ByVal sender As Object, ByVal e As EventArgs)
            HttpContext.Current.Response.AddHeader("Access-Control-Allow-Origin", "http://localhost")
            If HttpContext.Current.Request.HttpMethod = "OPTIONS" Then
                HttpContext.Current.Response.AddHeader("Access-Control-Allow-Methods", "POST, PUT, DELETE")
    
                HttpContext.Current.Response.AddHeader("Access-Control-Allow-Headers", "Content-Type, Accept")
                HttpContext.Current.Response.AddHeader("Access-Control-Max-Age", "1728000")
                HttpContext.Current.Response.End()
            End If
            ' Fires at the beginning of each request
        End Sub
    IService1.svc
    Code:
    ' NOTE: You can use the "Rename" command on the context menu to change the interface name "IService1" in both code and config file together.
    <System.Web.Script.Services.ScriptService()> _
    <ServiceContract()>
    Public Interface IService1
    
    
        ' TODO: Add your service operations here
        <OperationContract()>
        Function GetMedicalHistory() As String
    
    End Interface
    web.config:
    Code:
    <?xml version="1.0"?>
    <configuration>
    
      <system.web>
        <compilation debug="true" targetFramework="4.0" />
      </system.web>
      <system.serviceModel>
        <serviceHostingEnvironment multipleSiteBindingsEnabled="true" aspNetCompatibilityEnabled="true" />
        <services>
          <service behaviorConfiguration="Default" name="WcfService1.Service1">
            <endpoint address="" behaviorConfiguration="webBehavior" binding="webHttpBinding" contract="WcfService1.IService1" />
            <endpoint contract="IMetadataExchange" binding="mexHttpBinding" address="mex" />
          </service>
        </services>
        <behaviors>
    
          <endpointBehaviors>
            <behavior name="webBehavior">
              <webHttp helpEnabled="true" />
            </behavior>
          </endpointBehaviors>
    
          <serviceBehaviors>
            <behavior name="Default">
              <serviceMetadata httpGetEnabled="true" />
            </behavior>
            <behavior name="">
              <serviceMetadata httpGetEnabled="true" />
              <serviceDebug includeExceptionDetailInFaults="true" />
            </behavior>      
          </serviceBehaviors>
        </behaviors>
     
      </system.serviceModel>
      <system.webServer>
        <modules runAllManagedModulesForAllRequests="true"/>
      </system.webServer>
    
    </configuration>
    default.aspx calling page (from another web site app):
    Code:
    <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
    
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <title></title>
        <script src="javascript/jquery-1.11.2.min.js" type="text/javascript"></script>
         <script type="text/javascript">
             $(document).ready(function () {
                 getMedicalHistory();
             });
    
             function getMedicalHistory() {
                 var User = 100;
                 var data = { UserID: User };
    
                 $.ajax({
                     url: 'http://localhost:45156/Service1.svc/GetMedicalHistory',
                     type: 'POST',
                     data: '{}',
                     dataType: 'json',
                     contentType: "application/json; charset=utf-8",
                     success: function (res) {
                         alert('ok');
                         console.log("Success");
                         console.log(res);
                         $('#result').html(res.d);
                     },
                     error: function (res) {
                         alert(res.statusText);
                         console.log("Error! " + res.statusText);
                     }
                 });
             }
        </script>
    </head>
    <body>
        <form id="form1" runat="server">
        <div>
        
        </div>
        </form>
    </body>
    </html>
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  33. #33

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    Re: WCF service in local IIS and run with Jquery.

    Page error specifies:
    XMLHttpRequest cannot load http://localhost:45156/Service1.svc/GetMedicalHistory. The 'Access-Control-Allow-Origin' header has a value 'http://localhost' that is not equal to the supplied origin. Origin 'http://localhost:45432' is therefore not allowed access.
    Not sure how to change the global.asax localhost or the Ajax call so it can work. It's out of my field all these cross domain stuff..
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  34. #34
    MS SQL Powerposter szlamany's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    So I would imagine you have exhausted these links?

    Google for: access-control-allow-origin wcf service

    Like this first link??

    http://enable-cors.org/server_wcf.html

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  35. #35

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    Re: WCF service in local IIS and run with Jquery.

    I've used this, you can see it on an above example.
    The last example will give me 200ok Method:Options but will give the XMLHttpRequest error. I'm thinking that I am missing 1-2 lines but I have tried this 100 times and one thing works, another fails.
    The closet I got was the last example but I do not have a clue on why "localhost" fails. I've also use localost:45156 that is the WCF opening site to no avail.
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  36. #36
    MS SQL Powerposter szlamany's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    No one here is a WCF expert and you cannot find a better resource out there? Any WCF books or whitepapers on this?

    Did you say this worked in production and just not on your test box with localhost??

    Have you tried the other tool for developing IIS - that Cassini thing??

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  37. #37

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    Re: WCF service in local IIS and run with Jquery.

    I've use Cassini and localhost.
    Use localhost:somenumber, localhost, mydomain. Nothing will bypass the might CORS!
    All hail CORS the mighty firewall!
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  38. #38

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    Re: WCF service in local IIS and run with Jquery.

    Did IT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    GOD DAM##$$# SH#$#$ FUC@##$!#@$@#$@# #$#$ $!!!! !!!!
    Used Access-Control-Allow-Origin", "*" , so it had to allow everything. I know this is not the best solution but for now I have a base to contact some test.
    Oh my god! 3 days for a @#$^% "*" ! Deep inside i know it would be one line issue!
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  39. #39
    MS SQL Powerposter szlamany's Avatar
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    Re: WCF service in local IIS and run with Jquery.

    MS bloat - WCF - isn't that what it really is?

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  40. #40

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    Re: [RESOLVED] WCF service in local IIS and run with Jquery.

    I wish i could use simple web services as the configuration takes a lot more than the actual deployment but in order to be using company to company same methodology I am force to use the damn thing.
    I am looking on suggesting web API this is supposed to be "easier" to set up but it only takes one parameter on "POST" and you have to do "stuff" in order to make that parameter to a lot of parameters. I mean what is wrong with MS ? MVC, Web API cut down? What's next, a windows phone!?....Oh wait...
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