How do I convert a querystring to a json string in .NET Core?

Question

How can I convert a query string to a JSON string of keys and values? For example, I want to convert

"ID=123&FNAME=test&LNAME=xyz"

to

{"ID":"123","FNAME":"test","LNAME":"xys"}

What have you tried and what is not working for you?

Guru Stron
– Guru Stron

2021-12-01 18:06:37 +00:00
Commented Dec 1, 2021 at 18:06 — Guru Stron
– Guru Stron, Commented Dec 1, 2021 at 18:06

Brando Zhang · Accepted Answer · 2021-12-02 07:54:44Z

3

If you are using asp.net core, I suggest you could use System.Text.Json.JsonSerializer class to achieve your requirement.

More details, you could refer to below codes:

        var dict = HttpUtility.ParseQueryString("ID=123&FNAME=test&LNAME=xyz");
        var json = System.Text.Json.JsonSerializer.Serialize(
                            dict.AllKeys.ToDictionary(k => k, k => dict[k])
                   );

Result:

answered Dec 2, 2021 at 7:54

Brando Zhang

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