Encountering an issue while processing JSON data: "Error found - Uncaught SyntaxError: Unexpected token x in JSON at position"

Implementing c# to serialize data into JSON and transmitting it to JavaScript using the code below:

string serializedDS = JsonConvert.SerializeObject(ftpd);
ScriptManager.RegisterStartupScript(this.Page, Page.GetType(), "text", string.Format("Func('{0}');", serializedDS), true);

The result of

JsonConvert.SerializeObject(ftpd)
is
{"FTPUserName":"XKK\\xpuser1","FTPPassword":"xpr@fr@12","FTPServerAddress":"255.255.255.0","FTPPath":"In/Files"}

This is my JavaScript function:

function Func(serializedDS) {
    var result = JSON.parse(serializedDS);
    if (result != null)
    {
        var a = result["FTPUserName"];
        var b = result["FTPPassword"];
        var c = result["FTPServerAddress"];
        var d = result["FTPPath"];

    }
}

The data received as an argument in the function is

serializedDS = "{"FTPUserName":"XKK\xpuser1","FTPPassword":"xpr@fr@12","FTPServerAddress":"255.255.255.0","FTPPath":"In/Files"}"

However, at the line

var result = JSON.parse(serializedDS);
, I encounter this error
Uncaught SyntaxError: Unexpected token x in JSON at position 20
    at JSON.parse (<anonymous>)

I would appreciate any assistance with this issue!

Answer №1

The issue arises from the presence of 2 backslashes. I have made modifications to the Func in order to handle the Json object more directly.

Upon calling ScriptManager.RegisterStartupScript(this.Page, Page.GetType(), "text", string.Format("var result = {0}; setData();", serializedDS), true);

In your javascript code, define the function below.

function setData() {

if (result != null)
{
    var a = result["FTPUserName"];
    var b = result["FTPPassword"];
    var c = result["FTPServerAddress"];
    var d = result["FTPPath"];

}}

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