C # PROGRAMI İLE ÖRNEK SORULAR-19

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

namespace sınıflar

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

           

        }

        private void Form1_Load(object sender, EventArgs e)

        {

            radioButton1.Checked = true;

            radioButton5.Checked = true;

            checkBox1.Checked = true;

        }

        private void button1_Click_1(object sender, EventArgs e)

        {

            int katsayi = 100, kdvorani;

            float fiyat;

            if (checkBox1.Checked == true)

            {

                katsayi -= 20;

            }

            if (radioButton5.Checked == true)

            {

                kdvorani = 20;

            }

            else

            {

                kdvorani = 25;

            }

            if (radioButton1.Checked == true)

            {

                fiyat = 2000 * (kdvorani + katsayi) / 100;

            }

            else if (radioButton2.Checked == true)

            {

                fiyat=1500*(kdvorani+katsayi)/100;

            }

            else if (radioButton3.Checked == true)

            {

                fiyat = 2500 * (kdvorani + katsayi) / 100;

            }

            else

            {

                fiyat=4000*(kdvorani+katsayi)/100;

            }

            textBox1.Text = fiyat.ToString() + "$";

        }

       

       

    }

}