public IEnumerable <Employee> SortByLastName(string ascendingORdescending)
{
IEnumerable <Employee> employees;
if (ascendingORdescending == "ascending")
{
employees = (from s in GetList()
orderby s.LastName ascending
select s).ToList();
}
else
{
employees = (from s in GetList()
orderby s.LastName descending
select s).ToList();
}
foreach (Employee employee in employeesDAO.GetList())
{
Remove(employee);
}
foreach (Employee employee in employees)
{
Add(employee);
}
return(employees);
}
public IEnumerable <Employee> GetList()
{
return(employeesDAO.GetList());
}