<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Calculator.aspx.cs"
Inherits="YourNamespace.Calculator" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Simple Calculator</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css"
rel="stylesheet" />
</head>
<body>
<form id="form1" runat="server">
<div class="container mt-5">
<h2>Simple Calculator</h2>
<!-- Input Fields -->
<div class="mb-3">
<label for="txtNum1" class="form-label">Number 1</label>
<asp:TextBox ID="txtNum1" runat="server" CssClass="form-control" />
</div>
<div class="mb-3">
<label for="txtNum2" class="form-label">Number 2</label>
<asp:TextBox ID="txtNum2" runat="server" CssClass="form-control" />
</div>
<!-- Buttons for Operations -->
<div class="mb-3">
<asp:Button ID="btnAdd" runat="server" Text="Add" CssClass="btn btn-primary me-2" OnClick="btnAdd_Click" />
<asp:Button ID="btnSubtract" runat="server" Text="Subtract" CssClass="btn btn-secondary
me-2" OnClick="btnSubtract_Click" />
<asp:Button ID="btnMultiply" runat="server" Text="Multiply" CssClass="btn btn-success
me-2" OnClick="btnMultiply_Click" />
<asp:Button ID="btnDivide" runat="server" Text="Divide" CssClass="btn btn-danger me-2" OnClick="btnDivide_Click" />
</div>
<!-- Output Result -->
<div class="alert alert-info mt-3" role="alert">
<asp:Label ID="lblResult" runat="server" Text="Result will be displayed here" />
</div>
</div>
</form>
</body>
</html>