/// <summary>
 /// Inserts an expense log row.
 /// </summary>
 /// <param name="expense">An ExpenseLog object.</param>
 public void Create(ExpenseLog log)
 {
     using (ExpenseDataContext ctx = new ExpenseDataContext())
     {
         ctx.AddObject(ENTITY_SET_NAME, log);
         ctx.SaveChanges();
     }
 }
        /// <summary>
        /// Logs the status of the Expense.
        /// </summary>
        /// <param name="expense">An Expense object.</param>
        private void LogStatus(Expense expense)
        {
            ExpenseLog log = new ExpenseLog();
            log.ExpenseID = expense.ExpenseID;
            log.Status = expense.Status;
            log.DateCreated = DateTime.Now;

            // Persist data.
            ExpenseLogDataAccess dac = new ExpenseLogDataAccess();
            try
            {
                dac.Create(log);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                throw ex;
            }
        }