During the presentation of Mix10, the host (Charlie Kindel) said that when you write Silverlight-based applications for WP7, you get all of Silverlight 3.0, with some from Silverlight 4.0.
Why is System.Json missing? It was included in Silverlight 3.0 and is included in Silverlight 4.0.
Windows Phone 7 Class Library Reference
I'm also not sure why, but he says on this link that the namespace is not supported
See Features Supported in Silverlight for Windows Phone .
System.ServiceModel.Web, System.Runtime.Serialization, . System.ServiceModel.Web, , .JSON Serialization.
System.ServiceModel.Web
System.Runtime.Serialization
.JSON
Serialization
DataContractJsonSerializer, MIX RC http://msdn.microsoft.com/en-us/library/system.runtime.serialization.json.datacontractjsonserializer.aspx.
, JSON Windows Phone 7 System.Runtime.Serialization.Json, , , ! TechDays ( Twitter) .
- , , , , :
System.Servicemodel.Web - DataContractJsonSerializer JSON Windows Phone 7 - , , .
DataContractJsonSerializer Silverlight, , , CTP Windows Phone 7. , , . ( , System.Runtime.Serialization , JSON.NET WP7. JSON , .
Windows Phone 7 - JSON.Net. Newtonsoft.Json.Silverlight. .
, JSON , , , OData Windows Phone 7, JSON:
http://www.microsoft.com/downloads/details.aspx?FamilyID=b251b247-70ca-4887-bab6-dccdec192f8d&displaylang=en