The server is refusing to service the request because the message body of the request is in a format not supported by the server for the requested method. The server MUST return a list of acceptable formats using the Accept, Accept-Encoding, or Accept-Language header field, depending on the specific problem with the content.

public static readonly string Unsupported_Media_Type

Public Shared ReadOnly Unsupported_Media_Type As String

public:
static initonly String^ Unsupported_Media_Type