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POCannot complete a JSONP call from jQuery to WCF
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  1. POCannot complete a JSONP call from jQuery to WCF
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    copied!<p>Okay, I am trying (poorly) to successfully make a JSONP call from jQuery on a test page to a WCF web service running locally, as a cross-domain call. I have, at one point or another, either gotten a 1012 URI denied error, gotten a response but in Xml, or just had no response at all. Currently, the way I have it configured it spits back a 1012. </p> <p>I did not write this web service, so it is entirely possible that I am just missing a configuration setting <em>somewhere</em>, but I've become so frustrated with it that I think just asking on here will be more productive. Thanks guys. Details below.</p> <p>I have a WCF web service with the following method:</p> <pre><code>[ScriptMethod(ResponseFormat = ResponseFormat.Json)] public decimal GetOrderStatusJson(int jobId) </code></pre> <p>I am trying to call this method from a jQuery test page, via a cross-domain JSONP call.</p> <pre><code>&lt;script type="text/javascript"&gt; getJsonAjaxObject( "http://localhost:3960/ProcessRequests.svc/json/GetOrderStatusJson", { "jobId": 232 }); function getJsonAjaxObject(webServiceUrl, jsonData) { var request = { type: "POST", contentType: "application/json; charset=utf-8", url: webServiceUrl, data: jsonData, dataType: "jsonp", success: function(msg) { //success! alert("blah"); }, error: function() { //oh nos alert("bad blah"); } }; $.ajax(request); } &lt;/script&gt; </code></pre> <p>Below are the chunks of the web.config I configure for this purpose: </p> <pre><code>&lt;services&gt; &lt;service behaviorConfiguration="MWProcessRequestWCF.ProcessRequestsBehavior" name="MWProcessRequestWCF.ProcessRequests"&gt; &lt;endpoint address="json" behaviorConfiguration="AspNetAjaxBehavior" binding="webHttpBinding" contract="MWProcessRequestWCF.IProcessRequests" /&gt; &lt;endpoint address="" binding="wsHttpBinding" contract="MWProcessRequestWCF.IProcessRequests"&gt; &lt;identity&gt; &lt;dns value="localhost" /&gt; &lt;/identity&gt; &lt;/endpoint&gt; &lt;endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" /&gt; &lt;/service&gt; &lt;/services&gt; &lt;behaviors&gt; &lt;serviceBehaviors&gt; &lt;behavior name="MWProcessRequestWCF.ProcessRequestsBehavior"&gt; &lt;serviceMetadata httpGetEnabled="true"/&gt; &lt;serviceDebug includeExceptionDetailInFaults="false"/&gt; &lt;/behavior&gt; &lt;/serviceBehaviors&gt; &lt;endpointBehaviors&gt; &lt;behavior name="AspNetAjaxBehavior"&gt; &lt;enableWebScript/&gt; &lt;/behavior&gt; &lt;/endpointBehaviors&gt; &lt;/behaviors&gt; </code></pre>
 

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