public Employee DeleteEmployee(Employee employee)
{
if (employee == null)
{
throw new NullReferenceException("Employee object cannot be null.");
}
if (employee.Id < 1)
{
throw new ArgumentException("Employee ID is not defined for deletion.");
}
var delEmp = _repository.GetBy(p => p.Id == employee.Id).FirstOrDefault();
if (delEmp != null)
{
_repository.Delete(delEmp);
_repository.SaveAll();
}
return(delEmp);
}