Handling a stringified JS object in C#

Question

I'm able to return a stringified Javascript object to my C# project. The string looks like this:

{"QuestionId":"","QuestionTitle":"hiu","OriginalURL":"","OriginalTitle":"","ChronicID":""}

How can I easily convert this to an Object with these parameters in C#?

UPDATE: I got it working. See code below.

SearchQuery search = (SearchQuery)JsonConvert.DeserializeObject(@filterParams, typeof(SearchQuery));

L.B · Accepted Answer · 2012-03-26 21:37:05Z

8

Using Json.Net

dynamic dynObj = JsonConvert.DeserializeObject(jsonstr);
Console.WriteLine("{0} {1}", dynObj.QuestionId, dynObj.QuestionTitle);

using JavaScriptSerializer

JavaScriptSerializer serializer = new JavaScriptSerializer();
var obj = serializer.Deserialize<Dictionary<string,object>>(jsonstr);
Console.WriteLine("{0} {1}", obj["QuestionId"], obj["QuestionTitle"]);

EDIT

string jsonstr = @"{""QuestionId"":""123"",""QuestionTitle"":""hiu"",""OriginalURL"":"""",""OriginalTitle"":"""",""ChronicID"":""""}";

edited Mar 26, 2012 at 21:37

answered Mar 26, 2012 at 21:07

L.B

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8 Comments

egucciar Over a year ago

Thanks, that is interesting and helps me understand what is going on

L.B Over a year ago

@user1274649 I tested them both before I posted. And not working isn't very explanatory.

egucciar Over a year ago

Thanks for your help. So this is the actual string as it appears in VS:

egucciar Over a year ago

"\"QuestionId\":\"123\",\"QuestionTitle\":\"title\",\"OriginalURL\":\"\",\"OriginalTitle\":\"\",\"ChronicID\":\"\"}"

egucciar Over a year ago

this is what happens when i try to convert such a string "'Newtonsoft.Json.Linq.JObject' does not contain a definition for 'QuestionId'" and this is what I tried implementing: f (filterParams != null) { dynamic search = JsonConvert.DeserializeObject(filterParams); Console.WriteLine("{0} {1}", search.QuestionId, search.QuestionTitle); }

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qJake · Accepted Answer · 2012-03-26 20:50:28Z

2

You want a JSON library for .NET. JSON stands for JavaScript Object Notation, and it's basically what you pasted in your question.

I personally like Json.NET.

FYI, a "prettier" way to display the object from your question is:

{
   QuestionId: '',
   QuestionTitle: 'hiu',
   OriginalURL: '',
   OriginalTitle: '',
   ChronicID: ''
}

answered Mar 26, 2012 at 20:50

qJake

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3 Comments

egucciar Over a year ago

Thanks, you answered my question. Turns out JSON libraries are already included in the project I'm working on. :)

egucciar Over a year ago

EDIT: what do you mean display? That is the way the string appears in my code, so I need to parse it as is.

qJake Over a year ago

I just meant that it's easier to read if it's all tabbed out like that. JSON parsers don't care if it's all on one line or not, it's just for human readability.

SLaks · Accepted Answer · 2012-03-26 20:50:31Z

2

You're looking for a JSON parser

answered Mar 26, 2012 at 20:50

SLaks

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1 Comment

qJake Over a year ago

How is this helpful? At least link to one...?

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