@model IEnumerable<TaskList.Models.Task>
<div id="tasks">
    @Html.Partial("_LoginPartial")
    <div class="layer2">
        @using (Html.BeginForm("NewTask", "Task"))
        {
 
            <input id="newTask" type="submit" value="Создать" />   
        }
        <div id="task">
            @foreach (var task in @Model)
            {           
                <div class="indent">
                    @task.Name
                    @Html.ActionLink("изменить", "EditTask", "Task", new { id = @task.Id }, null)
                    @Html.ActionLink("удалить", "DeleteTask", "Task", new { id = @task.Id }, new { @class = "link" })
                </div>  
            }
        </div>
    </div>
</div>

 $('.link').click(function (e) {
        e.preventDefault();
        var url = $(this).attr('href');
        SendData(url);
    });

    var xmlHttp = new XMLHttpRequest();
    function SendData(url) {
        xmlHttp = window.createAjax();
        if (xmlHttp) {
            try {
                xmlHttp.open("GET", url,true);
                xmlHttp.onreadystatechange = updPage;
                xmlHttp.send(null);
            } catch (e) {
                alert("Невозможно соединиться с сервером:\n" + e.toString() + "\n" + e.description);
            }
        } else { alert('xmlHttp undefined'); }	//  xmlHttp did not create
    }
    
    function createAjax() {
        var obj;
        try {
            obj = new XMLHttpRequest();
        } catch (e) {
            alert('e: ' + e.toString());
            try {
                obj = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e1) {
                alert('e1: ' + e1.toString());
                try {
                    obj = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e2) {
                    alert('e2: ' + e2.toString());
                    obj = false;
                }
            }
        }
        return obj;
    }
    function updPage() {
        var response = document.getElementById("tasks");
        if (xmlHttp.readyState == 4) {
            if (xmlHttp.status == 200) {
                try { response.innerHTML= xmlHttp.responseText; }
                catch (e4) { alert("Ошибка доступа к содержимому страницы"); }
            }
            else if (xmlHttp.status == 404) { alert("Requested URL is not found."); }
            else if (window.request.status == 403) { alert("Access denied."); };
        }
    }