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    $.ajax({
        method: "POST",
        async: false,
        url: urllink,
        dataType: "json", //  or HTML.etc. it's important!
        data: data,
        success: function (msg) {
            alert(data)
        },
        error: function (XMLHttpRequest, textStatus, errorThrown) {
            alert(XMLHttpRequest.status);
            alert(XMLHttpRequest.readyState);
            alert(textStatus);
        }
    })

options dataType VS type in ajax.