DataContractJsonSerializer.WriteObject Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Serializes a specified object to JavaScript Object Notation (JSON) data and writes the resulting JSON to a stream.

Namespace:  System.Runtime.Serialization.Json
Assembly:  System.ServiceModel.Web (in System.ServiceModel.Web.dll)


Public Sub WriteObject ( _
    stream As Stream, _
    graph As Object _
public void WriteObject(
    Stream stream,
    Object graph


  • graph
    Type: System.Object
    The object that contains the data to write to the stream.


Exception Condition

The type being serialized does not conform to data contract rules. For example, the DataContractAttribute attribute has not been applied to the type.


There is a problem with the instance being written.

Version Information


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Windows Phone OS 7.0


For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.