using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class radiobutton : Form
{
public radiobutton()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
int a = Convert.ToInt32(textBox1.Text);
int b = Convert.ToInt32(textBox2.Text);
int c;
if (radioButton1.Checked == true)
{
c = a + b;
textBox3.Text = c.ToString();
}
if (radioButton2.Checked == true)
{
c = a - b;
textBox3.Text = c.ToString();
}
if (radioButton3.Checked == true)
{
c = a * b;
textBox3.Text = c.ToString();
}
if (radioButton4.Checked == true)
{
c = a / b;
textBox3.Text = c.ToString();
}
}
}
}
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