//calclate per tour cost
public override decimal CalculatePerTourCost(ClsTour prTour)
{
PerTourCost = Price * (Convert.ToDecimal(prTour.TotalTourDays));
return(PerTourCost);
}
//calclate per tour cost
public override decimal CalculatePerTourCost(ClsTour prTour)
{
PerTourCost = Price * prTour.Distance;
return(PerTourCost);
}
public abstract decimal CalculatePerTourCost(ClsTour prTour);
//showdialog updates display, parameter from previous form
public DialogResult ShowDialog(ClsTour prTourDetails)
{
_Tour = prTourDetails;
updateDisplay();
return(ShowDialog());
}