Line 1: <%@ Page Title="" Language="C#" MasterPageFile="~/Wide.Master" AutoEventWireup="true" CodeBehind="CheKha.aspx.cs" Inherits="HocVienCSQG.CheKha" %>
Line 2: <asp:Content ID="Content1" ContentPlaceHolderID="MainContent" runat="server">
Line 3: <%-- <div class="jumbotron" style="background-color: white;">
|