public List <VoucherInfo> SelectVouchersByRetailer(int countryId, int retailerId)
{
IScanService client = null;
try
{
var keys = Security.CreateInstance().GenerateSecurityKeys();
client = ScanServiceClient.CreateProxy();
return(new List <VoucherInfo>(client.ReadData(countryId, retailerId, keys.Item1, keys.Item2)));
}
finally
{
((IDisposable)client).DisposeSf();
}
}