how to get id from html into c#

Question

 My code as follows  

 

 

function AddNewCriticalResource() {

var pro = $("#ms").val();

 

var ProjectIds = pro.toString();

 

var projectNames = $("#ms").text();

 

var addordelete = 1;

$.ajax({

type: "POST",

url: "CriticalResource.aspx/AddNewCriticalResource",

contentType: "application/json; charset=utf-8",

data: '{ stringAssociateIds: "' + associates + '", stringProjectIds: "' + ProjectIds + '", stringTaggedBy:"' + AssocID + '" }',

dataType: "json",

responseType: "json",

cache: false,

success: function (msg) {

var TableData = $.parseJSON(msg.d);

var alertString = '';

noOfRows = 0;

$.each(TableData, function (i, data) {

alertString = alertString + data.AssociateID + '-' + data.ProjectName + ', ';

noOfRows = i + 1;;

});

 

 

from the above code i want to get  projectNames into code behind page.

 

this below line  

var projectNames = $("#ms").text();

for that how can i do in Code behind page please help me.