How to create Json Object using C# [closed]

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I am supposed to get the Json Object in specific format like

var dataObject = eval('[{"columns":[{ "title": "NAME"}, { "title": "COUNTY"}],"data":[["John Doe","Fresno"],["Billy","Fresno"],["Tom","Kern"],["King Smith","Kings"]]}]');

Till now I have always returned string from Server side in various format and consumed it in UI using Ajax. How to create Json object and send it to UI in the above shared format ?

JSON structure:

[{
    "columns": [{
        "title": "NAME"
    }, {
        "title": "COUNTY"
    }],
    "data": [
        ["John Doe", "Fresno"],
        ["Billy", "Fresno"],
        ["Tom", "Kern"],
        ["King Smith", "Kings"]
    ]
}]

Create a class on the server side that reflects the structure you need and then serialize it with JavaScriptSerializer or even better use the json.net serializer. — Matt Burland
– Matt Burland, Commented Jul 29, 2016 at 14:41
Use 3rd party libraries for json converting like Json.Net - read their documentation about serializing to and from json or use built-in microsoft json serializer msdn.microsoft.com/en-us/library/… — ams4fy
– ams4fy, Commented Jul 29, 2016 at 14:42
You shouldn't use eval here. Use JSON.parse or better, put an object literal there. — Tamas Hegedus
– Tamas Hegedus, Commented Jul 29, 2016 at 14:43
as a side note, the java function eval should be avoided whenever possible as it executes ANY text found as code, which is horribly insecure. JSON.parse is a much better alternative — pquest
– pquest, Commented Jul 29, 2016 at 14:43
duplicate of stackoverflow.com/questions/1056121/…, stackoverflow.com/questions/14828520/… and probably several others — ADyson
– ADyson, Commented Jul 29, 2016 at 14:44

Ricardo Reyna · Accepted Answer · 2016-07-29 15:30:50Z

2

You can use the JavaScriptSerializer class to do this for you.

var myObject = new MyModel();
var serializer = new JavaScriptSerializer();
var dataObject = serializer.Serialize(myObject);

Edit: Your model could look something like this:

public class MyModel
{
   List<string> Titles { get; set; }

   List<KeyValuePair> Data { get; set; }
}

Of course, you could use custom types for Titles and Data where you could define "title" properties (for Columns) and Name & City(?) properties (for Data). Using Lists (or whichever IEnumerable you prefer) will get you the structure you're looking for, though. Hope that helps!

edited Jul 29, 2016 at 15:30

answered Jul 29, 2016 at 14:43

Ricardo Reyna

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