How can I send this data to a ASP.NET web method, then save it as a json text on my C#

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So using AJAX I want to send this to my server

{"Question":"Shiping","Answer":"no"},{"Question":"Shiping","Answer":"no"},{"Question":"Shiping","Answer":"no"}]
Then save it to my c: drive.

But I can't seem to get it to on the server, and I have no idea what data type I should take as a parameter for it to work. This is my first time ever using AJAX.
Keep getting an error about primtive data
My JS

JavaScript

var FAQData = [
{"Question":"Shiping","Answer":"no"},
{"Question":"Shiping","Answer":"no"},{"Question":"Shiping","Answer":"no"}
];
// this is created in another way but posting it kinda messes with the display

function done() {

    alert(JSON.stringify(FAQData));//ignore alert

    $.ajax({
        type: 'POST',
        url: 'Userpage.aspx/SaveJSon',
        data: JSON.stringify(FAQData) ,
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        success: function (result) {
            alert('worked');
        }
    });
}

my server side

C#

[System.Web.Services.WebMethod]
       public static void SaveJSon(string[] Data)
       {
           string path = PathDetails.UserFilePath + user.Email + "\\FAQ.json";
           if (!File.Exists(path))
           {
               File.Create(path);
           }
           StreamWriter writer = new StreamWriter(PathDetails.UserFilePath + user.Email + "\\FAQ.json");
           writer.WriteLine(Data);
           writer.Close();

       }

What I have tried:

Changing the data type the server accepts, changing the ajax call to say {"Data": JSON.stringfy(FAQData)}

been stuck on this for 2 days

Posted 11-Jul-20 17:40pm

Member 14887148

Updated 12-Jul-20 7:37am

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F-ES Sitecore · Answer 1 · 2020-07-12T07:37:00

Create a class to hold your data

C#

public class QuestionData
{
    public string Question { get; set; }
    public string Answer { get; set; }
}

change your method to accept an array of this type

C#

public static void SaveJSon(QuestionData[] data)

Change your js to pass your FAQ data as a param named "data"

JavaScript

data: JSON.stringify({data: FAQData}),

If you don't want to make a type to hold the data you can use a Dictionary instead

C#

public static void SaveJSon(Dictionary<string, string>[] data)

It's less proper though and more prone to mistakes if the code changes.