public IEnumerable <DriverLicenseViewModel> GetByDriverC(string driverC)
        {
            var source = _driverLicenseRepository.Query(x => x.DriverC == driverC);

            return(from a in _driverLicenseRepository.GetAllQueryable()
                   join b in _licenseRepository.GetAllQueryable() on a.LicenseC equals b.LicenseC
                   where a.DriverC == driverC
                   select new DriverLicenseViewModel()
            {
                DriverC = a.DriverC,
                LicenseC = a.LicenseC,
                LicenseN = b.LicenseN,
                DriverLicenseD = a.DriverLicenseD,
                DriverLicenseNo = a.DriverLicenseNo,
                ExpiryD = a.ExpiryD
            });
        }