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POUncaught SyntaxError: Unexpected token < With $.jsonp and webservices
 

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  1. POUncaught SyntaxError: Unexpected token < With $.jsonp and webservices
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    <p>I was able to fix my webservice ajax issue with a jquery plugin. called jquery.jsonp.js. now on my success function i am getting a Uncaught </p> <pre><code> SyntaxError: Unexpected token &lt; </code></pre> <p>error on the chrome console window. I have tried various ways to fix this but I am at a loss</p> <pre><code>$.jsonp({ type: "POST", url: "http://localhost:49524/mobile/Android/AndroidWebServices.asmx/CheckLogin", data: "email="+u+"&amp;password="+p, crossDomain:true, success: function (data) { var s = $(data).find('string').text();; alert(s); } }); </code></pre> <p>if there is a better way to get the value from the xml i would greatly appreciate any help</p> <pre><code>&lt;string xmlns="http://wmstec.com/"&gt;true&lt;/string&gt; </code></pre> <p>is the XML file that is returned from the webservice</p> <pre><code> [WebMethod] [ScriptMethod(ResponseFormat = ResponseFormat.Json)] public string CheckLogin(string email, string password) { string vid = "xxxx"; //Get the User Information DB.User cur_user = DB.User.ByEmail(email.Trim()); //if it failed, try by screen name if (-1 == cur_user.ID) { cur_user = DB.User.ByScreenName(email.ToLower()); } //Does their password match? if (cur_user.CheckPassword(password, vid)) { // companys ToJSON function return Utility.ToJSON("true"); } else { return Utility.ToJSON(return "false"); } } </code></pre> <p>UPDATE</p> <pre><code>$.ajax({ type : "GET", url: "http://localhost:49524/mobile/Android/AndroidWebServices.asmx/CheckLogin", crossDomain:true, data: "email="+u+"&amp;password="+p,//({ email: u, password: p}), dataType :"jsonp", contentType: "application/json; charset=utf-8", success : function(data){ alert(data);} }); </code></pre> <p>returns the same thing.. so its not necessarily the jsonp plugin that is an issue.. its obviously a user issue lol..</p>
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    1. USDWolf
    1. USDWolf
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    1. COSo, you're requesting JSONP but returning XML? That sounds like your issue.
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      1. POUncaught SyntaxError: Unexpected token < With $.jsonp and webservices
      1. USRocket Hazmat
    2. COMost likely your webservice is returning XML rather than JSONP. If you want to use JSONP, your webservice must return JSONP. JSONP is JSON wrapped in a callback() so that it can be executed as an external script. JSON is a data format similar to XML, but it's syntax is very different and closely mimics the syntax of a javascript object literal.
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      1. POUncaught SyntaxError: Unexpected token < With $.jsonp and webservices
      1. USKevin B
    3. CO@KevinB: JSONP doesn't *have* to be a JavaScript object (not actually JSON). It usually is, but it can be anything as long as it's wrapped in a function call.
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      1. USRocket Hazmat
 

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