Need Help on Portlas

Hi All.

i am facing one issue(it's not issue i am not achieving one simple scenario).

i have two systems like   (1) MS CRM Application    (2) MS CRM Portals

here my requirement is i am created 2 custom pages

1 orders List

2 orders Details

from the CRM Application i am getting data into the Portals.  using  Odata and Entity lists.

in portals whenever order list particular record is open it's navigate to the Order Details page and it's opening the record if i make any changes fields data then after i am clicking submit button, Data is not saving both applications(crm and portals)

Below is the Submit Function Code(to the CRM System)

function Submit() {
debugger;
if ($('#name').val() != null) {
var entity = {};
entity.new_name = $('#name').val();
entity.new_orderid = "1234321";

$.ajax({
type: "PATCH",
contentType: "application/json; charset=utf-8",
datatype: "json",
url: "~/_odata/orderslist(guid'" + guid+"')",
data: JSON.stringify(entity),
beforeSend: function (XMLHttpRequest) {
XMLHttpRequest.setRequestHeader("Accept", "application/json");
XMLHttpRequest.setRequestHeader("X-HTTP-Method", "MERGE");
},
async: false,
success: function (data, textStatus, xhr) {
alert("success");
},
error: function (xhr, textStatus, errorThrown) {
alert(Xrm.Utility.alertDialog(textStatus + " " + errorThrown));
alert("error");

}
});
}
}