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PO[ScriptMethod(ResponseFormat = ResponseFormat.Json)]
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  1. PO[ScriptMethod(ResponseFormat = ResponseFormat.Json)]
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    copied!<p>In ASP.net web service if the above isn't specified , what is the response format by default? Also, if my web service below:</p> <pre><code>[WebMethod()] public List&lt;Sample&gt; GenerateSamples(string[][] data) { ResultsFactory f = new ResultsFactory(data); List&lt;Sample&gt; samples = f.GenerateSamples(); return samples; } </code></pre> <p>returns the list of objects, If I change the response format to JSON, I have to change the return type to string, then how do I access objects in my javascript?</p> <p>Currently I call this web service in my JS such as:</p> <pre><code> $.ajax({ type: "POST", url: "http://localhost/TemplateWebService/Service.asmx/GenerateSamples", data: jsonText, contentType: "application/json; charset=utf-8", dataType: "json", success: function(response) { var samples = (typeof response.d) == 'string' ? eval('(' + response.d + ')') : response.d; if (samples.length &gt; 0) { doSomethingHere(samples); } else { alert("No samples have been generated"); } }, error: function(xhr, status, error) { var msg = JSON.parse(xhr.responseText); alert(msg.Message); } }); </code></pre> <p>What i noticed though, even though everything works perfectly fine, the eval statement never gets executed, which means that the web service always returns a string!</p> <p>So my question is, is [ScriptMethod(ResponseFormat = ResponseFormat.Json)] necessary on the web service definition side?</p> <p>The way things are now, I can use samples array and access each object and its properties as I normally would in any OOP code, which is very convenient, and everything works no problem, but I just wanted to make sure that I am not missing anything in my set up. </p> <p>I took the basics of combining Jquery's ajax with asp.net from Encosia side, and the response type wasn't mentioned there - I read it on another site and am I not sure how vital it is.</p> <p><a href="http://www.codeproject.com/KB/webservices/JsonWebServiceJQuery.aspx" rel="noreferrer">http://www.codeproject.com/KB/webservices/JsonWebServiceJQuery.aspx</a></p> <p>Lists 4 different changes on the asp.net web service side. I only have the first 2 - in my web.config. The service itself and the Sample class is implemented without any serialization, it does have properties though. I guess the web service is JSON by default? And as long as your objects have properties, they are serializable by default? That was my understanding until I read this article.</p>
 

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