ASP.NET

<asp:GridView ID="grdservices" runat="server" AutoGenerateColumns="false" ShowFooter="true">
          <Columns>
        <asp:BoundField DataField="S.No" HeaderText="s.no" />
        <asp:TemplateField HeaderText="service name">
         <ItemTemplate>
         <asp:TextBox ID="txtservicename" runat="server"></asp:TextBox>
     </ItemTemplate>
    </asp:TemplateField>
    <asp:TemplateField HeaderText="description">
    <ItemTemplate>
    <asp:TextBox ID="txtDescription" runat="server"></asp:TextBox>
     </ItemTemplate>
    <FooterStyle HorizontalAlign="right" />
    <FooterTemplate>
   <asp:Button ID="btnadd" runat="server" Text="add new service" OnClick="btnadd_Click" OnRowCommand="ButtonClicked" />
    </FooterTemplate>
</asp:TemplateField>
</Columns>
/asp:GridView>

$(function () {
    // Proxy created on the fly
    var chat = $.connection.chat;

    // Declare a function on the chat hub so the server can invoke it
    chat.addMessage = function (message) {
        $('#messages').append('<li>' + message + '');
    };

    $("#broadcast").click(function () {
        // Call the chat method on the server
        chat.send($('#msg').val());
    });

    // Start the connection
    $.connection.hub.start();
});

public class Chat : Hub
{
    public void Send(string message)
    {
        // Call the addMessage method on all clients
        Clients.addMessage(message);
    }
}

Imports Microsoft.AspNet.Identity
Imports Microsoft.AspNet.Identity.EntityFramework
Imports Microsoft.AspNet.Identity.Owin
Imports System.Linq
Imports System.Web
Imports System.Web.UI
Imports Microsoft.Owin.Security

Partial Public Class Account_Login
    Inherits Page
    Protected Sub Page_Load(sender As Object, e As EventArgs) Handles Me.Load
        RegisterHyperLink.NavigateUrl = "Register"
        OpenAuthLogin.ReturnUrl = Request.QueryString("ReturnUrl")
        Dim returnUrl = HttpUtility.UrlEncode(Request.QueryString("ReturnUrl"))
        If Not [String].IsNullOrEmpty(returnUrl) Then
            RegisterHyperLink.NavigateUrl += "?ReturnUrl=" & returnUrl
        End If
    End Sub

     Protected Sub LogIn(sender As Object, e As EventArgs) Handles btnLogin.Click

    If IsValid Then ' Validate the user password             

        Dim manager = New UserManager()

        Dim user As ApplicationUser = manager.Find(username.Text, password.Text)

        Try

            If user IsNot Nothing Then

                IdentityHelper.SignIn(manager, user, RememberMe.Checked)

                IdentityHelper.RedirectToReturnUrl(Request.QueryString("ReturnUrl"), Response)

            End If

        Catch ex As Exception

            FailureText.Text = ex.Message

            ErrorMessage.Visible = True

        End Try

    End If

End Sub

End Class

@model StudentManagement1.TeacherCourseStudent
@{
    ViewBag.Title = "Attendance";
}


<tr>
    
    
    <td>
       @Model.Student_Id
    </td>

    <td>
        @Model.Student.Name
    </td>

    <td>
        @Model.Student.Sur_Name
    </td>

    <td>
       @Model.Student.Semester.Semester_Name
    </td>

    <td>
    @Html.RadioButton(@Model.Student_Id.ToString(), "present", true)
    </td>

    <td>
    @Html.RadioButton(@Model.Student_Id.ToString(), "absent")
    </td>

    <td>
    @Html.RadioButton(@Model.Student_Id.ToString(), "leave")
    </td>

@model IEnumerable<StudentManagement1.TeacherCourseStudent>
@{
    ViewBag.Title = "MarkAttendance";
    Layout = "~/Views/Shared/_TeacherLayout.cshtml";
}

@using (Html.BeginForm("MarkAttendance", "Attendance", FormMethod.Post))
{
   

<table>
    <tr>
        <th>
           Student Id
        </th>
        <th>
            Name
        </th>
        <th>
           Sur Name
        </th>
        <th>
           Semester
        </th>
        <th>
            Present
        </th>
        <th>
            Absent
        </th>
        <th>
            Leave
        </th>

        
</tbody>
@Html.EditorForModel()
</table>
        <br /> <br />
    <input type="submit" value="Save attendance" />
}

[HttpPost]
        public ActionResult MarkAttendance(IEnumerable<string> Student_Id)
        {
            return view();
}

<div onblur="alert('dosent work this Event!!!!!')">