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  1. PO
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    <p>You posted a bunch of [DataMember]'s. Please post the entire [DataContract]. Also show us the JSON returned when you return that DataContract.</p> <hr> <p>A Data Contract should never include behavior. Try the following (I haven't had a chance to test it, and will need to fake up the data to do so):</p> <pre><code>[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)] public class SuggestionService : ISuggestionService { public SearchResults Search(string searchTerms) { var results = new SearchResults { SearchText = searchTerms, Text = new string[10], Urls = new string[10], Descriptions = new string[10] }; // Removed irrelevant ADO.NET code int index = 0; while (searchResultReader.Read() &amp;&amp; index &lt; 10) { results.Text[index] = searchResultReader["Company"].ToString(); results.Descriptions[index] = searchResultReader["Company"].ToString(); results.Urls[index] = "http://dev.localhost/Customers/EditCustomer.aspx?id=" + searchResultReader["idCustomer"]; index++; } return results; } } [DataContract] public class SearchResults { [DataMember] public string SearchText { get; set; } [DataMember] public string[] Text { get; set; } [DataMember] public string[] Descriptions { get; set; } [DataMember] public string[] Urls { get; set; } } </code></pre> <hr> <p>Ok, I read enough of that spec and of the JSON spec, to convince myself you really do need to return an array of objects, and not an instance of a class that contains an array of objects. Of course, that didn't quite work. Here's what you needed:</p> <pre><code>[ServiceContract] [ServiceKnownType(typeof(string))] [ServiceKnownType(typeof(string[]))] public interface ISuggestionService { [OperationContract] [WebGet(UriTemplate = "/Search?q={searchTerms}", BodyStyle = WebMessageBodyStyle.Bare, ResponseFormat = WebMessageFormat.Json)] object[] Search(string searchTerms); } </code></pre> <p>I just tried it, and it worked. Here's the JSON (indentation added):</p> <pre><code>[ "abc", ["Company1","Company2","Company3",...], ["Company1 Description","Company2 Description","Company3 Description",...], ["http:\/\/dev.localhost\/Customers\/EditCustomer.aspx?id=1", "http:\/\/dev.localhost\/Customers\/EditCustomer.aspx?id=2", "http:\/\/dev.localhost\/Customers\/EditCustomer.aspx?id=3",...] ] </code></pre>
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    1. POSerializing Array of Objects to JSON in WCF to Comply with OpenSearch
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    1. USJohn Saunders
    1. USJohn Saunders
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    1. POSerializing Array of Objects to JSON in WCF to Comply with OpenSearch
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    1. COThanks for responding, I added all of the relevant code.
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      1. USChris Jackson
    2. COThis is what I originally tried, the problem is that it returns the names of the objects in the JSON, which is outside the spec. It needs to return something like this (From reference): ["sea",["sears","search engines","search engine","search","sears.com","seattle times"],["7,390,000 results","17,900,000 results","25,700,000 results","1,220,000,000 results","1 result","17,600,000 results"],["http://example.com?q=sears","http://example.com?q=search+engines","http://example.com?q=search+engine","http://example.com?q=search","http://example.com?q=sears.com","http://example.com?q=seattle+times"]]
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      1. USChris Jackson
    3. COI can return an jagged array of strings (string[][]) and it's almost there, the problem is that the first element of the JSON array is surround by brackets, which is outside of the spec, which is why I was trying to return an array of objects (object[]).
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