public Employee Get(string code)
 {
     using (EmployeeDB1Entities entities = new EmployeeDB1Entities())
     {
         return(entities.Employees.FirstOrDefault(s => s.code == code));
     }
 }
 public IEnumerable <Employee> Get()
 {
     using (EmployeeDB1Entities entities = new EmployeeDB1Entities())
     {
         return(entities.Employees.ToList());
     }
 }