سلام
من کد زیر را نوشته ام اما فقط در گوگل کروم صحیح کارمیکند و در firefox و edge درست کار نمیکند
(مشکل اینه که وقتی عملیات ثبت را انجام میدهم اطلاعات فقط در کروم به روز میشود اما درfirefox و edge باید صفحه را رفرش کنم )
در debugger هم هیچ مشکلی نمایش نمیدهد.


@model IList<SignalR_11.Models.Employee>

@{

    ViewBag.Title = "Index";

}

<link href="~/Content/bootstrap.min.css" rel="stylesheet" />





<div>

    <h1 style="color: green">CRUD using SignalR,MVC and Entity Framework</h1>

    <table border="1">

        <tr>

            <td>

                <h1 style="color:blueviolet">Add/Update/Delete Employee</h1>

                <table border="1">

                    <tr>

                        <td>Employee Id</td>

                        <td><input id="txtEmployeeId" type="text" /></td>

                    </tr>

                    <tr>

                        <td>Employee Name</td>

                        <td><input id="txtEmployeeName" type="text" /></td>

                    </tr>

                    <tr>

                        <td>Email Address</td>

                        <td><input id="txtEmail" type="text" /></td>

                    </tr>

                    <tr>

                        <td>Mobile Number</td>

                        <td><input id="txtMobile" type="text" /></td>

                    </tr>

                </table>

                <table border="1">

                    <tr>

                        <td><button id="btnPostEmployee" onclick="InsertEmployee()">Add New Employee</button></td>

                        <td>

                            <button id="btnPutEmployee" onclick="UpdateEmployee()">Update Employee</button>

                            <button id="btnDeleteEmployee" onclick="DeleteEmployee();return false;">Delete Employee</button>

                        </td>

                    </tr>

                </table>

            </td>

        </tr>

    </table>

    <br /><br />

    <div id="dataTable"></div>

</div>





@section scripts{

    <script src="~/Scripts/jquery.signalR-2.2.3.min.js"></script>

    <script src="/signalr/hubs"></script>

    <script type="text/javascript">

        $(function () {

            var notificationFromHub = $.connection.employeeHub;

            $.connection.hub.start().done(function () {

                FetchEmployees();

            });

            notificationFromHub.client.updatedClients = function () {

                FetchEmployees();

            };

        });

        function FetchEmployees() {

            var model = $('#dataTable');

            $.ajax({

                url: '/home/GetAllEmployeeRecords',

                contentType: 'application/html ; charset:utf-8',

                type: 'GET',

                dataType: 'html',

                success: function (result) {

                    model.empty().append(result);

                }

            });

        }

        // Insert Employee Record

        function InsertEmployee() {





            debugger;

            var employee = {

                EmployeeId: $('#txtEmployeeId').val(),

                EmployeeName: $('#txtEmployeeName').val(),

                EmailAdress: $('#txtEmail').val(),

                MobileNumber: $('#txtMobile').val()

            };





            $.ajax({

                url: '/home/Insert',

                type: 'POST',

                data: JSON.stringify(employee),

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

                success: function (data) {

                    alert('Employee added Successfully');

                },

                error: function () {

                    alert('Employee not Added');

                }

            });

        }





        // Update Employee Record

        function UpdateEmployee() {





            var employee = {

                EmployeeId: $('#txtEmployeeId').val(),

                EmployeeName: $('#txtEmployeeName').val(),

                EmailAdress: $('#txtEmail').val(),

                MobileNumber: $('#txtMobile').val()

            };

            $.ajax({

                url: '/home/Update',

                type: 'POST',

                data: JSON.stringify(employee),

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

                success: function (data) {

                    alert('Employee updated Successfully');

                },

                error: function (e) {

                    alert('Employee could not be updated');

                }

            });

        }





        // Delete Employee Record

        function DeleteEmployee() {

            var employee = {

                EmployeeId: $('#txtEmployeeId').val()

            };





            $.ajax({

                url: '/home/Delete',

                type: 'POST',

                data: JSON.stringify(employee),

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

                success: function (data) {

                    alert('Employee deleted Successfully');

                },

                error: function (x, y, z) {

                    alert(x + '\n' + y + '\n' + z);

                }

            });

        }

    </script>

}