Odd and Even Number Checker in C#

A simple program that I wrote using C# to check if the given number by our user is Odd or Even numbers.

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com. 

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

// Odd and Even Number Checker in C#

// September 11, 2016 Sunday

// Written By: Mr. Jake R. Pomperada, MAED-IT

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 WindowsFormsApplication1

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        public static bool IsEven(int value)

        {

            return value % 2 == 0;

        }

        private void button1_Click(object sender, EventArgs e)

        {

            int number = 0;

            if (!int.TryParse(textBox1.Text, out number))

            {

                MessageBox.Show("I need just a number in the textbox.");

                textBox1.Text = "";

                label2.Text = "";

                textBox1.Focus();

            }

        else if (IsEven(number))

          {

              label2.Text = "The Number " + number + " is an Even Number.";

          }

          else

          {

              label2.Text = "The Number " + number+ " is an Odd Number.";

          }

        }

        private void button2_Click(object sender, EventArgs e)

        {

            textBox1.Text = "";

            label2.Text = "";

            textBox1.Focus();

        }

    }

}