no respond when click button to get json data from url in table

no respond when click button to get json data from url in table

I have url www.DevuEgypt.com/api/employees i need to display FirstName,Id,Salary in table by click button using jquery
when click button not give me any result and give me two message
I try more time but it give me error
submit handler has fired this is normal to check
error error not found this message show to me 
my code as below
[code]

@{
    Layout = null;
}

<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>Index</title>

    <script src="~/Scripts/jquery-1.10.2.js"></script>
    <script>
        $(function () {
            $('#btn').click(function () {
               alert("submit handler has fired");
                $.ajax({
                   // type: 'POST',
                    url: 'www.DevuEgypt.com/api/employees',
                    data:{},
                    dataType: 'json',

                    success: function (data) {
                        $.each(data, function (index, value) {
                           var row = $("<tr><td>" + value.FirstName + "</td><td>" + value.Id + "</td><td>" + value.Salary + "</td></tr>");
                          $("#myData").append(row);
                         });
                      
                    },
                   error: function (jqXHR, textStatus, errorThrown) {
                        alert('error: ' + textStatus + ': ' + errorThrown);
                   }
                });
                //return false;//suppress natural form submission
            });
        });
    </script>
</head>
<body>
    <div> 
        <input type="button" value="GetData" id="btn" />
        <table id="myData"></table>
    </div>
</body>
</html>

[/code]