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Arithmetic operation using Combo box(c#.net)

Posted By:laptop charles       Posted Date: December 21, 2010    Points: 15    Category: Visual Studio    URL: http://www.dotnetspark.com  

It has using combo box and three textbox.Add four operation to combo box and then using selectedItem.Type the number in that two textbox. then select one operator.it will give the result.

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 combo_box
    public partial class Form1 : Form
        public Form1()
        int x, y, z;

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
            x = int.Parse(a.Text);

            y = int.Parse(b.Text);
            if (comboBox1.SelectedItem.ToString() == "Add")
                z = x + y;
                c.Text = z.ToString();

            else if (comboBox1.SelectedItem.ToString() == "Sub")

                z = x -y;
                c.Text = z.ToString();

            else if (comboBox1.SelectedItem.ToString() == "Mul")

                z = x * y;
                c.Text = z.ToString();

            else if (comboBox1.SelectedItem.ToString() == "Div")

                z = x / y;
                c.Text = z.ToString();






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