File: Default.aspx
<%@ Page Language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
Dim myCalc As New Calculator
Label1.Text = myCalc.Add(12, 12)
End Sub
</script>
<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"></asp:Label>
</div>
</form>
</body>
</html>
File: Calculator.vb
Imports Microsoft.VisualBasic
Public Class Calculator
Public Function Add(ByVal a As Integer, ByVal b As Integer) As Integer
Return (a + b)
End Function
Public Function Subtract(ByVal a As Integer, ByVal b As Integer) As Integer
Return (a - b)
End Function
End Class
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