Is there a way in MVC3 to set what properties the Json function outputs?
ie. properties on my model have an attribute that tells the Json function not to output them.
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2 Answers
It looks like the ScriptIgnoreAttribute will do what you want. Just decorate whatever property you don't want serialized with it.
Comments
Use anonymous method for that:
so instead of
return Json(it);
do
return Json(new {
it.Name,
CreatedAt = it.CreatedAt.ToString("D")
// And so on...
});
this way you explicitly publish (map) set of attributes to the web which ensures that only allowed properties can be accessed from JSON.
If you don't want to Repeat Yourself, you can use JSON.NET serializer with which you can customise how objects are serialised. (So you can create custom HideAttribute and take that into account).
With JSON.NET you will also need to write Controller.Json method replacement (SmartJson or so). But it should not be an issue I suppose.
2 Comments
dkarzon
hmmm, thats what I was afraid of. Was hoping I could just add an atribute and the Json function would be able to do it, like [HideJson]public string Password { get; set; }
Dmytrii Nagirniak
You actually can do it with a bit of effort. Use JSON.NET - updated the answer.