Jquery variable pass to HTML

Question

Hello All

 

How can i pass Jquery variable to below HTML 

 

please find my code i highlight red color

 

<%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/HomePage.master" Inherits="System.Web.Mvc.ViewPage<MVCECUDataTrackingSystem.ViewModels.ECUViewModel>" %>

         <asp:Content ID="Content3" ContentPlaceHolderID="NestedScripts" runat="server">

         <script type="text/javascript" language="javascript">

         $(document).ready(function () {

         $('#ECUSubmit').hide();

         });

         function fnECUAdd() {

         var dispid= document.getElementById("DispId");

         $("#ECUSubmit").dialog({

         height: 200,

         width: 450,

         modal: true,

         title: "Confirmation",

         buttons: {

         "Yes": function () {

         ValidationPB();

         },

         "No": function () {

            $(this).dialog("close");

            }

            }

            });

         }

         </script>

   </asp:Content>

 

 

  <asp:Content ID="Content1" ContentPlaceHolderID="nestedMasterContent" runat="server">

 

         <% using (Html.BeginForm("Clone", "ECU", FormMethod.Post, new { enctype = "multipart/form-data", id = "fmECU" }))

         {%>

         <%: Html.ValidationSummary(true) %>

         <div>

         <input type="button" value="Back" onclick="window.history.back()" />

         </div>

         <div id="ECUSubmit">

         <div class="editor-label">

         <%: "Do you want to Continue? disposition is:" +    dispid  %>

         </div>

         </div>

 </asp:Content>