public void AddEmployee(EmployeeViewModel e)
{
ctx.AddEmployee(e.NationalIDNumber,
e.LoginID, e.FirstName,
e.LastName,
e.JobTitle,
e.BirthDate,
e.MaritalStatus,
e.Gender, e.HireDate,
e.SalariedFlag,
e.VacationHours,
e.SickLeaveHours);
}