Adding a properties to JSON that is missing

Question

So I have been working on JSON files over the past few days, just to understand how C# can manipulate JSON.

I need some help with adding a property to a JSON file. I have figured out how to edit values through trial and error, however, I had assumed that it would create the path where I access the value. Turns out this isn't the case.

This is what I currently have done with regards to access a values Height and Width, however, there is no "externalSite""Weblogin""window" path within the JSON

string widthBox = Width.Text.ToString();
string heightBox = Height.Text.ToString();

string CustomSizejson = File.ReadAllText(DownloadConfigFilelocation);
JObject CustomSizeobj = JObject.Parse(CustomSizejson);
CustomSizeobj["externalSite"]["webLogin"]["window"] = "height=" + heightBox + ",width=" + widthBox + ",resizable,scrollbars";
string CustomSizenewJson = CustomSizeobj.ToString();
File.WriteAllText(DownloadConfigFilelocation, CustomSizenewJson);

This is pretty much what I want to accomplish and append it to the JSON file

Can someone help me figure this out? Thanks

You need to create the objects in the JSON tree one by one. They’re not created automatically when you try to access them — Sami Kuhmonen
– Sami Kuhmonen, Commented Jul 23, 2018 at 7:21
Yeah I realized this - Trying to figure out the way to implement it — Tixart
– Tixart, Commented Jul 23, 2018 at 7:24

Elbek · Accepted Answer · 2018-07-23 07:25:00Z

1

You can add property using JObject.Add function. Example:

JObject json = new JObject();
json.Add("property_name", "property_value");

If you want to add something not exactly object but inside some property of it. You first need to find property itself and use JObject.Add function. Example:

JObject inner_json = (JObject) json["property_name"];
inner_json.Add("inner_property_name","value");

answered Jul 23, 2018 at 7:25

Elbek

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user6842156 · Accepted Answer · 2018-07-23 07:52:02Z

0

You can try something like:

var input = new JObject();
input.Add("window", "height=300,width=410,resizable,scrollbars");

var obj = new JObject();
obj.Add("webLogin", input);

var obj1 = new JObject();
obj1.Add("externalSite", obj);

For more information: JObject nested property

answered Jul 23, 2018 at 7:52

user6842156

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