/// <summary>
/// update total
/// </summary>
/// <param name="total">total money</param>
public void updateTotal(double total)
{
try
{
//update total charge
currentInvoice.TotalCharge = total;
//update total charge to database
dataMaster.UpdateInvoiceTotal(currentInvoice);
}
catch (Exception ex)
{
//Throw a custom-trace exception
throw new Exception(MethodInfo.GetCurrentMethod().DeclaringType.Name + "." +
MethodInfo.GetCurrentMethod().Name + " -> " + ex.Message);
}
}
