var order = {
                "product_id": 1,
                "product_name": "name1"
            }
	

            $.ajax({
                type: "POST",
                url: "http://localhost/mb_services/Service.svc/GetOrder/?id=0",
                data: JSON.stringify(order),
                contentType: "application/json; charset=utf-8",
                dataType: "json",
                processData: true,
                success: function (data, status, jqXHR) {
                    alert("success..." + data);
                },
                error: function (xhr) {
                    alert(xhr.responseText);
                }
            });
        

var order = {
                "product_id": [1,2,3],
                "product_name": ["name1","name2","name3"]
            }