WLC_Programming Knowledge

using System;
using System.Windows.Forms;

namespace NumberTypeConverter
{
    public partial class Octal_Conversion : Form
    {
        public Octal_Conversion()
        {
            InitializeComponent();
        }       

        public string OctalToBinary(int Oct) 
        {
            string[] OctalConstant = { "000", "001", "010", "011", "100", "101", "110", "111" };
            int OctIndex, quotient = Oct;
            string binary = "";
            while (quotient != 0)
            {
                OctIndex = quotient % 10;
                if (OctIndex >= 8)
                {
                    MessageBox.Show("It's not Octal Number");
                    break;
                }
                else
                {
                    binary = OctalConstant[OctIndex] + " " + binary;
                    quotient /= 10;
                }                
            }
            return binary;
        }

        private void btnConvert_Click(object sender, EventArgs e)
        {
            txtBinary.Text = OctalToBinary(int.Parse(txtOctal.Text));
        }

        private void btnReset_Click(object sender, EventArgs e)
        {
            txtOctal.Clear();
            txtBinary.Clear();
            txtOctal.Focus();
        }
    }
}