(i) .ASPX File Content
<%@ 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>Adding Two Number using TextBox Control Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<table cellpadding="0" cellspacing="0" width="300px">
<tr>
<td><asp:Label ID="Label1" runat="server" Text="First Number"></asp:Label></td>
<td><asp:TextBox ID="txtFirstNumber" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td><asp:Label ID="Label2" runat="server" Text="Second Number"></asp:Label></td>
<td><asp:TextBox ID="txtSecondNumber" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td></td>
<td><asp:Button ID="btnCalculate" runat="server" Text="Submit" OnClick="btnCalculate_Click" /></td>
</tr>
<tr>
<td><asp:Label ID="Label3" runat="server" Text="Result is"></asp:Label></td>
<td><asp:TextBox ID="txtResult" runat="server"></asp:TextBox> </td>
</tr>
</table>
</div>
</form>
</body>
</html>
(ii) .ASPX.CS File Contentusing System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class _Default : System.Web.UI.Page
{
//Declare variables
int num1, num2, total = 0;
protected void btnCalculate_Click(object sender, EventArgs e)
{
try
{
//Adding two numbers
num1 = int.Parse(txtFirstNumber.Text.ToString().Trim());
num2 = int.Parse(txtSecondNumber.Text.ToString().Trim());
total = num1 + num2;
txtResult.Text = total.ToString();
}
catch (Exception)
{
throw;
}
}
}
(iii) Output
thank you sir
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