Replace String with Array of Objects

Question

I am trying to replace a string constant with an array of object.

What I have is

string test = "{\"property\":\"#replacedValue#\"}";

var array = someObject.where(x=>something).ToArray();

test = test.Replace("#replacedValue#",JsonConvert.SerializeObject(array));

output is coming as

{"property":"[{"name":"value"},{"name":"value"},{"name":"value"}]"}

Array is being replaced as string

what I want is

 {"property":[{"name":"value"},{"name":"value"},{"name":"value"}]};

I am using .net core 3.1

JSON is a string format. The problem here is you're replacing only the #replacedValue# value, leaving the surrounding quotes in place. Replace the entire string instead ("#replacedValue#") escaping the double quotes — Panagiotis Kanavos
– Panagiotis Kanavos, Commented Jul 14, 2020 at 11:32
string test = {"property":"#replacedValue#"}; this is not valid C#. What your probably have is string test = "{\"property\":\"#replacedValue#\"}"; — Magnetron
– Magnetron, Commented Jul 14, 2020 at 11:39

Guru Stron · Accepted Answer · 2020-07-14 11:32:34Z

2

You can parse your json string into JObject and replace property value:

string test = @"{""property"":""#replacedValue#""}";

var jObj = JsonConvert.DeserializeObject<JObject>(test);
jObj["property"] = new JArray(new[] {1,2,3,4});
Console.WriteLine(jObj.ToString());

will print:

{
  "property": [
    1,
    2,
    3,
    4
  ]
}

answered Jul 14, 2020 at 11:32

Guru Stron

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