<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Example20-21.aspx.cs" Inherits="WebFormsApp.Example20_21" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <%-- Listing 20-20 --%>
<form id="form1" runat="server">
    <div>
        <input id="inputTextBox" type="text" runat="server"></input>
    </div>
    <div>
        <input id="appendButton" type="button" runat="server" value="Dopisz"
            onserverclick="appendButton_Click" />
    </div>
    <div>
        <span ID="outputLabel" runat="server"></span>
    </div>
</form>

</body>
</html>
