C#MVC里面的login控件，后台代码什么写？
<%@ Page Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<MvcApplication1.Models.LogOnModel>" %>

<asp:Content ID="loginTitle" ContentPlaceHolderID="TitleContent" runat="server">
  登录
</asp:Content>

<asp:Content ID="loginContent" ContentPlaceHolderID="MainContent" runat="server">
  <form id="form1" runat="server">
  <h2>登录</h2>
  <asp:Login ID="Login1" runat="server">
  <LayoutTemplate>
  <table cellpadding="1" cellspacing="0" style="border-collapse:collapse;">
  <tr>
  <td style="width: 274px">
  <table cellpadding="0">
  <tr>
  <td align="center" colspan="2">
  登录</td>
  </tr>
  <tr>
  <td align="right">
  <asp:Label ID="UserNameLabel" runat="server" AssociatedControlID="UserName">用户名:</asp:Label>
  </td>
  <td>
  <asp:TextBox ID="UserName" runat="server"></asp:TextBox>
  <asp:RequiredFieldValidator ID="UserNameRequired" runat="server" 
  ControlToValidate="UserName" ErrorMessage="必须填写“用户名”。" ToolTip="必须填写“用户名”。" 
  ValidationGroup="Login1">*</asp:RequiredFieldValidator>
  </td>
  </tr>
  <tr>
  <td align="right">
  <asp:Label ID="PasswordLabel" runat="server" AssociatedControlID="Password">密码:</asp:Label>
  </td>
  <td>
  <asp:TextBox ID="Password" runat="server" TextMode="Password"></asp:TextBox>
  <asp:RequiredFieldValidator ID="PasswordRequired" runat="server" 
  ControlToValidate="Password" ErrorMessage="必须填写“密码”。" ToolTip="必须填写“密码”。" 
  ValidationGroup="Login1">*</asp:RequiredFieldValidator>
  </td>
  </tr>
  <tr>
  <td colspan="2">
  <asp:CheckBox ID="RememberMe" runat="server" Text="下次记住我。" />
  </td>
  </tr>
  <tr>