[Mono-dev] JSON Deserialization

[Adar Wesley]

Hi,

You need to quote the property name too.  See in the JSON I quoted the Name
property name as follows: {\"Name\":\"1\"}
That's what the error message tells you.  It is expecting the " character
and finding the N of Name.

---
Adar Wesley


On Sun, Apr 24, 2011 at 11:46 PM, Stifu <stifu at free.fr> wrote:

> I tried that, and it didn't work here. Maybe I didn't set up something
> right
> (which is why self-contained test cases are always welcome).
> It complains about the fact the token '"' was expected, but 'N' was found.
>
> Error message (in French):
>
> "System.Runtime.Serialization.SerializationException: Une erreur s'est
> produite lors de la désérialisation de l'objet de type
> System.Collections.Generic.IEnumerable`1[[JsonTest.Element, JsonTest,
> Version=1.0.4131.39037, Culture=neutral, PublicKeyToken=null]]. Jeton '"'
> attendu, mais 'N' a été trouvé. ---> System.Xml.XmlException: Jeton '"'
> attendu, mais 'N' a été trouvé.
>   at Object
>
> System.Runtime.Serialization.XmlObjectSerializer.ReadObjectHandleExceptions(XmlReaderDelegator
> reader, Boolean verifyObjectName, DataContractResolver
> dataContractResolver)
>   at Object
>
> System.Runtime.Serialization.Json.DataContractJsonSerializer.ReadObject(XmlDictionaryReader
> reader)
>   at Object
>
> System.Runtime.Serialization.Json.DataContractJsonSerializer.ReadObject(Stream
> stream)
>   at static void JsonTest.MainClass.Main(String[] args)"
>
> I get the same error message with simple quotes rather than double quotes
> in
> the JSON.
>
>
> Adar Wesley wrote:
> >
> > Hi,
> >
> > In order to make the code work on MS.NET I had to make the following
> > changes:
> > 1. mark the class Element with [DataContract] attribute and the Name
> > property with [DataMember] attribute.
> > 2. Change the serialized JSON to be with double quotes (") and Name
> should
> > be quoted too: "[{\"Name\":\"1\"}, {\"Name\":\"2\"}]".
> >
> > Only after making these changes does it work on MS.NET.
> >
> > Hope this helps.
> >
> > ---
> > Adar Wesley
> >
> >
> > On Sun, Apr 24, 2011 at 8:03 PM, Troy Hamilton
> > &lt;troy.a.hamilton at gmail.com&gt;wrote:
> >
> >>
> >> On Sun, Apr 24, 2011 at 8:53 AM, Antoine Cailliau <
> >> antoinecailliau at gmail.com> wrote:
> >>
> >>> Hi folks,
> >>>
> >>>
> >>>  This piece of code fails to work on Mono.
> >>>
> >>
> >>> ("[{Name:'1'}, {Name:'2'}]"));
> >>>
> >>>
> >>> The raised exception is
> >>>
> >>>        Unhandled Exception:
> >>> System.Runtime.Serialization.SerializationException: Deserialization
> >>> has failed ---> System.Xml.XmlException: Unexpected token: '
> >>>
> >>>
> >> Can you try replacing the single quotes with escaped double quotes and
> >> see
> >> what you get?
> >>
> >> "[{Name:\"1\"}, {Name:\"2\"}]"
> >>
> >> I've run into a json libraries before that deal with single quotes
> >> allright, but I believe the standard is to use double quotes.
> >>
> >>
> >> Good luck,
> >>
> >> Troy
> >>
> >>
> >>
> >> _______________________________________________
> >> Mono-devel-list mailing list
> >> Mono-devel-list at lists.ximian.com
> >> http://lists.ximian.com/mailman/listinfo/mono-devel-list
> >>
> >>
> >
> > _______________________________________________
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> >
>
>
> --
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