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Asked: 2026-05-10T18:03:29+00:00

According to this article Silverlight 2 Beta 2 supports the DataContractJsonSerializer object. But, when

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According to this article Silverlight 2 Beta 2 supports the DataContractJsonSerializer object. But, when I try to use it VS says

‘Type ‘DataContractJsonSerializer’ is not defined’.

I have a method marked as ScriptableMember that gets called from JavaScript and is passed an Object. Inside this method I need to serialize the object to a string (preferably JSON) and then save it in isolated storage.

Does Silverlight 2 Beta 2 really support DataContractJsonSerializer? Or would anyone recommend a different method of saving the JavaScript created ScriptObject in the Isolated Storage?

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  1. Actually the answer is, the DataContractJsonSerializer is part of Silverlight 2 Beta 2, but you need to add a reference to System.ServiceModel.Web to your Silverlight project to use it.

    I didn’t realize that you still needed to add dll references in Silverlight. I thought it automatically included everything in a similar way to how ASP.NET does.

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