c# - Insert custom data to JSON serialized from DataModel -

i have data model class i'm serializing json in order able post serialized json web service. data model this:

using newtonsoft.json; namespace webcrawler.models {     [jsonobject(memberserialization.optin)]     public class linkdataviewmodel     {         [jsonproperty]         public string title { get; set; }         .....         [jsonproperty]         public string customerid { get; set; }     } } 

how should change data model class serialized json that:

{"postpropertyrequest": {serializeddatamodel}} 

you can write custom json in way (make class derived jsonconverter , override 3 methods)

using newtonsoft.json; namespace webcrawler.models {     [jsonobject(memberserialization.optin)]     public class linkdataviewmodel : jsonconverter     {         [jsonproperty]         public string title { get; set; }         .....         [jsonproperty]         public string customerid { get; set; }          public override object readjson(jsonreader reader, type objecttype, object existingvalue,            jsonserializer serializer)         {            throw new notimplementedexception();         }          public override void writejson(jsonwriter writer, object value, jsonserializer serializer)         {            if (value == null)            {              serializer.serialize(writer, null);              return;             }                   var properties = value.gettype().getproperties();             writer.writestartobject();             //your custom property             writer.writepropertyname("postpropertyrequest");             writer.writestartobject();             foreach (var property in properties)             {               // write property name               writer.writepropertyname(property.name);               serializer.serialize(writer, property.getvalue(value, null));             }             writer.writeendobject();             writer.writeendobject();         }     } } 

refer nice article documentation