using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace uyg3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void tabControl1_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (tabControl1.SelectedIndex == 2) {
                textBox4.Text = "";
                textBox4.Text += textBox1.Text + "\r\n";
                textBox4.Text+= textBox2.Text + "\r\n";
                textBox4.Text += textBox3.Text + "\r\n";
                decimal hesap = 0;
                if (numericUpDown1.Value > 0)
                {
                    hesap += numericUpDown1.Value * 12;
                    textBox4.Text += string.Format("Çorba{0:C}", numericUpDown1.Value * 12) + "\r\n";
                }
                if (numericUpDown2.Value > 0) {
                    hesap += numericUpDown2.Value * 10;
                    textBox4.Text += string.Format("Salata{0:C}", numericUpDown2.Value * 10) + "\r\n";
                }
                if (numericUpDown3.Value > 0)
                {
                    hesap += numericUpDown3.Value * 20;
                    textBox4.Text += string.Format("Ana Yemek{0:C}", numericUpDown3.Value * 20) + "\r\n";
                }
                if(numericUpDown4.Value>0) 
                {
                    hesap += numericUpDown4.Value * 15;
                    textBox4.Text += string.Format("Salata{0:C}", numericUpDown4.Value * 15) + "\r\n";
                }
                textBox4.Text += "--------------";
                textBox4.Text += string.Format("Toplam {0:C}",hesap);
            }
        }
    }
}