postal

using System;

namespace ChallengePostalCalculator
{
    public partial class Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        public void GroundButton_CheckedChanged(object sender, EventArgs e)
        {
            double groundFare = 0.15;
            try
            {
                calculateParcel(groundFare);
            }
            catch
            {
                resultLabel.Text = "Please enter all specs!!";
            }
        }

        protected void AirButton_CheckedChanged(object sender, EventArgs e)
        {
            double airFare = 0.25;
            try
            {
                calculateParcel(airFare);
            }
            catch
            {
                resultLabel.Text = "Please enter all specs!";
            }
        }

        protected void NextDayButton_CheckedChanged(object sender, EventArgs e)
        {
            double nextDayFare = 0.45;
            try
            {
                calculateParcel(nextDayFare);
            }
            catch
            {
                resultLabel.Text = "Please enter all specs!!";
            }

        }

        private void calculateParcel(double fareMultiplier)
        {
            string myWidth = widthTextBox.Text;
            string myHeight = heightTextBox.Text;
            string myLength = lengthTextBox.Text;

            double fare = fareMultiplier;
            double result = (double.Parse(myWidth) * double.Parse(myHeight)) * fare;
            double resultWithLength = (double.Parse(myWidth) * double.Parse(myHeight) * double.Parse(myLength)) * fare;

            if (!String.IsNullOrEmpty(myWidth.ToString()) & !String.IsNullOrEmpty(myHeight.ToString()) & !String.IsNullOrEmpty(myHeight.ToString()))
            {
                resultLabel.Text = result.ToString();
            }
            else if (!String.IsNullOrEmpty(myWidth.ToString()) & !String.IsNullOrEmpty(myHeight.ToString()))
            {
                resultLabel.Text = result.ToString();
            }
            else
            {
                resultLabel.Text = "bob";
            }
        }
    }
}