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POExclude property from json serialization in ApiController
 

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    <p>I am trying to exclude properties from being serialized to JSON in web ApiControllers. I have verified the following 2 scenarios work.</p> <p>I have included the following attributes on the property I wish to exclude.</p> <pre><code>[System.Web.Script.Serialization.ScriptIgnore] [System.Xml.Serialization.XmlIgnore] </code></pre> <p>If I manually serialize my object using the JavaScriptSerializer, the property is excluded. Also, if I view the serialized XML output from the web ApiController, the property is excluded. The problem is, the serialized JSON via the web ApiController still contains the property. Is there another attribute that I can use that will exclude the property from JSON serialization?</p> <p><strong>UPDATE:</strong></p> <p>I realized all my tests were in a much more complex project and that I hadn't tried this in a an isolated environment. I did this and am still getting the same results. Here is an example of some code that is failing.</p> <pre><code>public class Person { public string FirstName { get; set; } [System.Web.Script.Serialization.ScriptIgnore] [System.Xml.Serialization.XmlIgnore] public string LastName { get; set; } } public class PeopleController : ApiController { public IEnumerable&lt;Person&gt; Get() { return new[] { new Person{FirstName = "John", LastName = "Doe"}, new Person{FirstName = "Jane", LastName = "Doe"} }; } } </code></pre> <p>Here is the generated output.</p> <p><strong>JSON:</strong></p> <pre><code>[ { "FirstName" : "John", "LastName" : "Doe" }, { "FirstName" : "Jane", "LastName" : "Doe" } ] </code></pre> <p><strong>XML:</strong></p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;ArrayOfPerson xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"&gt; &lt;Person&gt; &lt;FirstName&gt;John&lt;/FirstName&gt; &lt;/Person&gt; &lt;Person&gt; &lt;FirstName&gt;Jane&lt;/FirstName&gt; &lt;/Person&gt; &lt;/ArrayOfPerson&gt; </code></pre>
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    1. COpossible duplicate of [Ignoring properties when serializing](http://stackoverflow.com/questions/9285439/ignoring-properties-when-serializing)
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    2. COI don't see this as a duplicate of that since I can't use IgnoreDataMember because my object and all of it's properties still need to be serialized for WCF communication behind the scenes. I guess the root of my question is what is ASP.NET using to serialize to JSON? It doesn't seem they are using the JavaScriptSerializer.
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      1. USAdam Carr
    3. COah, got you. I stand corrected.
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