JSON deserialization into List<string>

Question

I guess this is easy, but I am new and cannot find a fast answer to this:

I want to obtain a list of file names (List<string>) in a .Net 2.0 desktop app, using WebClient requesting to a WebAPI REST service.

So, I have this code in the desktop app:

using (var client = new WebClient())
{
   client.Headers[HttpRequestHeader.Accept] = "application/json";
   var resultString = client.DownloadString("http://localhost:3788/api/file?src=X&dest=Y");
}

and a WebAPI action like this in the service:

public IEnumerable<string> GetFiles([FromUri]string src, [FromUri]string dest)
{
   // some code here
}

How would I convert the resultString, which is a JSON String, to a List<String> ?

Do I have to use JsonDataContractSerializer?

I have to make sure I return only the filenames first and not including the entire path, so I have to make some adjustments — Learner
– Learner, Commented Jan 18, 2014 at 23:12

Community · Accepted Answer · 2017-05-23 12:03:44Z

1

Look at this SO question and answer. The code there outlines what you would do. The key is to reference the Newtonsoft.Json namespace (add it from a NuGet package) and use the DeserializeObject generic method. The answer shows other things you can do with results.

edited May 23, 2017 at 12:03

CommunityBot

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answered Jan 18, 2014 at 23:10

Sixto Saez

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5 Comments

Learner Over a year ago

Thanks for this, I will give it a try. So, there are these 2 libs: Newtonsoft.Json and JSON.NET. Any preference? is there something built-in .net?

L.B Over a year ago

@Cristi they are the same.

Sixto Saez Over a year ago

Yes, @L.B. is right. The .NET namespace is Newtonsoft.Json but it's probably better known as the Json.NET library.

Learner Over a year ago

Oh... this shows you how noob I am :) Thanks. Let's see if I get the expected results

Learner Over a year ago

Yeah, it worked nicely using: JsonConvert.DeserializeObject<List<string>>(resultString);

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