Deserialize JSON string into current class

Question

I have a Load function in my C# Model, and in that I want to be able to take a JSON string and deserialize it into the current model, for example:

this = JsonConvert.DeserializeObject<Settings>(leJson);

But obviously I can't do that, but I'm struggling on thinking how to do it.

there can be possibility that your model and Json is different show your class and json sample data — Sudhakar Tillapudi
– Sudhakar Tillapudi, Commented Nov 24, 2013 at 9:27
Well, the error is in the compiler, not at runtime. The error if i try and set a value to this is Cannot assign to '<this>' because it is read-only. — Alexander Forbes-Reed
– Alexander Forbes-Reed, Commented Nov 24, 2013 at 9:30
why are you using this , assign it to class reference variable — Sudhakar Tillapudi
– Sudhakar Tillapudi, Commented Nov 24, 2013 at 9:33

Darin Dimitrov · Accepted Answer · 2013-11-24 10:10:45Z

3

That's impossible. You cannot write to the this variable from within the instance. You should do that from an outside class. Or have your method return the class instance:

public static Settings GetSettings()
{
    return JsonConvert.DeserializeObject<Settings>(leJson);
}

edited Nov 24, 2013 at 10:10

answered Nov 24, 2013 at 9:37

Darin Dimitrov

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7 Comments

Alexander Forbes-Reed Over a year ago

So there is no way to load, and apply, settings inside the class?

Darin Dimitrov Over a year ago

No, not globally. You will have to do it property by property if you want to do this from inside the class. The easiest would be to simply get a new instance if you have lots of properties.

Alexander Forbes-Reed Over a year ago

Ah okay, that's annoying but on well.

Darin Dimitrov Over a year ago

@AgentFire, what about them?

AgentFire Over a year ago

@DarinDimitrov DeserializeObjectAsync returns Task, so yuo might want to await for it. Otherwise, Task<Settings> does not simply casts to Settings.

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