public static Dictionary <String, String> getAllEntires(int type)
        {
            if (type == 1)
            {
                return(EmpId.getAllEmpId());
            }
            else if (type == 2)
            {
                return(SSN.getAllSSN());
            }
            else if (type == 3)
            {
                return(ZipCode.getAllZipCode());
            }
            else if (type == 4)
            {
                return(Address.getAllCities());
            }

            return(new Dictionary <string, string>());
        }