JsonSerializer.Serialize throws exception

Question

I have a list and I want to write it to a file but JsonSerializer.Serialize(mylist)throws an error here is the code:

private void CheckIfFileExistsOrCreateOne()
    {
        if (!File.Exists(filePath))
        {
            LoginInfo secretary = new LoginInfo("secretary", "secretary", new Secretary_Form());
            LoginInfo admin = new LoginInfo("admin", "admin", new Administrator_Form());
            mylist.Add(secretary);
            mylist.Add(admin);
            File.WriteAllText(filePath, JsonSerializer.Serialize(mylist));
        }
    }

and the error:

Add a breakpoint at the line File.WriteAllText... and inspect the myList object. You should be able to see what is causing the error. — Scott Hutchinson
– Scott Hutchinson, Commented Dec 24, 2020 at 15:45

Elitheria · Accepted Answer · 2020-12-24 16:27:42Z

1

It seems like you can't pass a form to a list and write it to a file because it's too large so I changed my strategy and I used string to variable name to approach what I wanted.

answered Dec 24, 2020 at 16:27

Elitheria

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