ajax post

$.ajax({
             url: "http://www.yk.com/Insert",
             type: "POST",
             dataType: "json",
             contentType: 'application/json; charset=utf-8',
             data: JSON.stringify({
                        Code: 123,
                        Data: "data",
                        Comment: ""
             }),
                    success: function (data) { }
 });