title: Validation (XHTML 1.0 Transitional): Element 'html' cannot be nested within element 'div'
body: <p>I need help how to fix the error in my code. When I compile the code told me the error Validation (XHTML 1.0 Transitional): Element 'html' cannot be nested within element 'div'. If someone know, please help me?</p>
  
  <pre><code> &lt;%@ Page Title="" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="ManageUsers.aspx.cs" Inherits="probazaadmin.ManageUsers" %&gt;
      &lt;asp:Content ID="Content1" ContentPlaceHolderID="HeadContent" runat="server"&gt;
      &lt;/asp:Content&gt;
      &lt;asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"&gt;
      &lt;html xmlns="http://www.w3.org/1999/xhtml"&gt;
      &lt;head id="Head1" runat="server"&gt;
      &lt;title&gt;Untitled Page&lt;/title&gt;
      &lt;/head&gt;
      &lt;body&gt;
      &lt;form id="form2" runat="server"&gt;&lt;/form&gt;
      &lt;div&gt;Users Account Management&lt;/div&gt;
      &lt;p&gt;&lt;/p&gt;
      &lt;b&gt;- The total registered users is: &lt;asp:Literal runat="server" ID="lblTotalUsers" /&gt;&lt;br /&gt;
      - The total online users at this moment: &lt;asp:Literal runat="server" ID="lblOnlineUsers" /&gt;&lt;/b&gt;
      &lt;p&gt;&lt;/p&gt;
      In order to display all users whose name begins with letter click on the link letter:
      &lt;p&gt;&lt;/p&gt;
  
      &lt;asp:Repeater runat="server" ID="rptAlphabetBar"
      OnItemCommand="rptAlphabetBar_ItemCommand"&gt;
      &lt;ItemTemplate&gt;&lt;asp:LinkButton ID="LinkButton1" runat="server" Text='&lt;%# Container.DataItem %&gt;'
      CommandArgument='&lt;%# Container.DataItem %&gt;' /&gt;&amp;nbsp;&amp;nbsp;
      &lt;/ItemTemplate&gt;
      &lt;/asp:Repeater&gt;
      &lt;p&gt;&lt;/p&gt;
      Use the below feature to search users by partial username or e-mail:
      &lt;p&gt;&lt;/p&gt;
  
      &lt;asp:DropDownList runat="server" ID="ddlUserSearchTypes"&gt;
      &lt;asp:ListItem Text="UserName" Selected="true" /&gt;
      &lt;asp:ListItem Text="E-mail" /&gt;
      &lt;/asp:DropDownList&gt;
      contains
      &lt;asp:TextBox runat="server" ID="txtSearchText" /&gt;
      &lt;asp:Button runat="server" ID="btnSearch" Text="Search"
      OnClick="btnSearch_Click" /&gt;
      &lt;/body&gt;&lt;/html&gt;
      &lt;/asp:Content&gt;
  </code></pre>