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<%@ Page Language="C#" %>
<script runat="server">
void btAdd_Click(Object Sender, EventArgs e) {
lblMessage.Text = "The answer is: " + (Convert.ToInt32(tbNumber1.Text) + Convert.ToInt32(tbNumber2.Text)).ToString();
}
void btSubtract_Click(Object Sender, EventArgs e) {
lblMessage.Text = "The answer is: " + (Convert.ToInt32(tbNumber1.Text) - Convert.ToInt32(tbNumber2.Text)).ToString();
}
void btMultiply_Click(Object Sender, EventArgs e) {
lblMessage.Text = "The answer is: " + (Convert.ToInt32(tbNumber1.Text) * Convert.ToInt32(tbNumber2.Text)).ToString();
}
void btDivide_Click(Object Sender, EventArgs e) {
lblMessage.Text = "The answer is: " + (Convert.ToInt32(tbNumber1.Text) / Convert.ToInt32(tbNumber2.Text)).ToString();
}
</script>
<HTML>
<HEAD>
</HEAD>
<BODY>
<form runat="server">
Number 1: <asp:textbox id="tbNumber1" runat=server/><br>
Number 2: <asp:textbox id="tbNumber2" runat=server/>
<asp:button id="btAdd" Text=" + " OnClick="btAdd_Click" runat=server/>
<asp:button id="btSubtract" Text=" - " OnClick="btSubtract_Click" runat=server/>
<asp:button id="btMultiply" Text=" * " OnClick="btMultiply_Click" runat=server/>
<asp:button id="btDivide" Text=" / " OnClick="btDivide_Click" runat=server/>
<asp:label id="lblMessage" font-size="20pt" runat=server/>
</form>
</BODY>
</HTML>
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