<%@ Page Title="" Language="C#" MasterPageFile="~/WebSiteMasterPage.Master" AutoEventWireup="true" CodeBehind="Lesson.aspx.cs" Inherits="TestHost.WebForm2" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
    บทที่ททททททททททททททท
</asp:Content>