<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
        <asp:Label ID="Label1" runat="server" Font-Bold="True" Font-Size="12pt" 
            Text="Current value:"></asp:Label>
    
    </div>
    <asp:TextBox ID="TextBox1" runat="server" Font-Bold="True" Font-Size="12pt">0</asp:TextBox>
    <p>
        <asp:Button ID="Button1" runat="server" CommandArgument="5" CommandName="Add" 
            Font-Bold="True" Font-Size="12pt" oncommand="Button1_Command" Text="Add 5" />
        <asp:Button ID="Button2" runat="server" CommandArgument="5" 
            CommandName="Subtract" Font-Bold="True" Font-Size="12pt" 
            oncommand="Button2_Command" Text="Subtract 5" />
    </p>
    </form>
</body>
</html>
