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View Sample
<html>
<title>Simple 4-Function Integer Calculator</title>
<link rel="stylesheet" href="/shared/netdemos.css">

<script language="C#" runat="server">
void Page_Load ( object src, EventArgs e ) {
   btnAdd.Click += new System.EventHandler ( this.Calculate );
   btnSubtract.Click += new System.EventHandler ( this.Calculate );
   btnMultiply.Click += new System.EventHandler ( this.Calculate );
   btnDivide.Click += new System.EventHandler ( this.Calculate );
}

void Calculate ( object src, EventArgs e ) {
   int op1 = Int32.Parse ( TextBox1.Text );
   int op2 = Int32.Parse ( TextBox2.Text );
   int result = 0;
   switch ( ( ( Button ) src ) .CommandName ) {
      case "Add" :
         result = op1 + op2;
         break;
      case "Subtract" :
         result = op1 - op2;
         break;
      case "Multiply" :
         result = op1 * op2;
         break;
      case "Divide" :
         if ( op2 > 0 )
            result = op1 / op2;
         else
            result = 0;
         break;
      default:
         // error handling code here.
         break;
   }
   message.Text = result.ToString ( );
}
</script>

<body>
<!-- #include virtual="~/shared/top.inc -->
<div class="header"><h2>Simple 4-Function Integer Calculator</h2></div>

<!-- #include virtual="~/shared/viewsrc_top.inc" -->
<hr size=1 width=92%>

<div align="center">
<form runat="server">

   <asp:TextBox id="TextBox1" size=5 runat="server" /> <asp:TextBox id="TextBox2" size=5 runat="server" />
   <p>
   <asp:Button id="btnAdd" text="Add" commandname="Add" runat="server" />
   <asp:Button id="btnSubtract" text="Subtract" commandname="Subtract" runat="server" />
   <asp:Button id="btnMultiply" text="Multiply" commandname="Multiply" runat="server" />
   <asp:Button id="btnDivide" text="Divide" commandname="Divide" runat="server" />
   <p>
   <asp:Label id="message" runat="server" />

</form>
</div>

<hr size=1 width=92%>
<!-- #include virtual="~/shared/viewsrc.inc" -->

</body>
</html>