Hi,  
looking to scrape HTML and get the logged in user's email into the text box. The email is seen on Black Navigation bar. It’s in HTML tag. Is there a method.This code here is a cached page since I wanted to show a user as logged in.
<%@ Page Title="" Language="C#"  AutoEventWireup="true" CodeFile="Delete.aspx.cs" Inherits="RunPowerShellToCopyDb.Default" %>
<!DOCTYPE aspx>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Home: Welcome</title>
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap-theme.min.css">
    <link rel="stylesheet" href="/App/Content/app.css">
</head>
<body role="document">
    <div class="navbar navbar-inverse navbar-fixed-top" role="navigation">
        <div class="container">
            <div class="navbar-header">
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
                <a class="navbar-brand" href="/#Home">Work In Progress</a>
            </div>
            <div class="navbar-collapse collapse in" style="">
                <ul class="nav navbar-nav">
                    <li><a href="/#Home">Home</a></li>
                    <li><a href="/#TodoList">To do List</a></li>
                    <li><a href="/#UserData">User</a></li>
                </ul>
                <ul class="nav navbar-nav navbar-right">
                    <li class="app-user navbar-text">dontgiveup@crsft.com</li>
                    <li><a href="javascript:;" class="app-logout">Logout</a></li>
                    <li><a href="javascript:;" class="app-login" style="display: none;">Login</a></li>
                </ul>
            </div>
        </div>
    </div>
    <br>
    <div class="container" role="main">
        <div class="row">
            <div class="col-xs-10 col-xs-offset-1" style="background-color:azure">
                <div class="page-header">
                    <h1>Home</h1>
                </div>
                <p>Welcome</p>
            </div>
        </div>
        <div class="row">
            <div class="col-xs-10 col-xs-offset-1">
                <div class="app-error"></div>
                <div class="panel-body"></div>
            </div>
        </div>
    </div>
    <form method="post" action="./Default.aspx" id="form1">
        <div class="aspNetHidden">
            <input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwUKLTQyNTUzODk1N2Rk/MWLQtQIPL05KEhqTIH3Idwa2tnQVUwj9EH8eVWS7Bk=">
        </div>
        <p>
            <span id="Label1"></span>
            </select>
        </p>
        <p>
            "pass email from li class app-user navbar-text"
            <input type="submit" name="Button2" value="pass email from bar above" id="Button2">
          
    <input name="TextBox1" type="text" id="TextBox1" style="height:22px;">
    <div class="aspNetHidden">
        <input type="hidden" name="__VIEWSTATEGENERATOR" id="__VIEWSTATEGENERATOR" value="CA0B0334">
        <input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="/wEdAAbdXNRPjLdEz0IT29VIFL+azfg78Z8BXhXifTCAVkevdxEghZBVv0boc2NaC2/zVFQ/WMskeKo19Gyidl+m11dTHadc/p2FmfqYq2ZMY0d3c+4b++gR/L7u4jOLZG/Hp9UCYYEDnnYlxqsauLH6z4W4RBwA09MXMgiJBOrOQX1lkg==">
    </div>
</form>
    <!-- Visual Studio Browser Link -->
    <script type="application/json" id="__browserLink_initializationData">
        {"appName":"Chrome","requestId":"48cbcb8ab7e04587aa866c953a907f09"}
    </script>
    <script type="text/javascript" src="http://localhost:64255/847e131aa76b492c971c7bda220d036f/browserLink" async="async"></script>
    <!-- End Browser Link -->
</body>
</html>