public IExtraFeeCalculator getExtraFeeCalculator()
{
if (efCalculator == null)
{
try
{
string type = typeof(IExtraFeeCalculator).Namespace.ToString() + "." + ConfigurationSettings.AppSettings["ClassName"].ToString();
efCalculator = (IExtraFeeCalculator)Activator.CreateInstance(Type.GetType(type));
}
catch (Exception x)
{
MessageBox.Show(x.ToString());
}
}
return(efCalculator);
}
public int getExtraFeeAmount()
{
iefc = CourseFactory.getInstance().getExtraFeeCalculator();
return(iefc.getExtraAmount(this.getTotal()));
}
