public GetMatchingProduct(string accessKeyId, string secretAccessKey, string merchantId,
string marketplaceId, string applicationName, string applicationVersion)
{
config = new MarketplaceWebServiceProductsConfig();
config.ServiceURL = "https://mws.amazonservices.com/Products/2011-10-01";
GetMatchingProduct.merchantId = merchantId;
GetMatchingProduct.marketplaceId = marketplaceId;
service = new MarketplaceWebServiceProductsClient(
applicationName, applicationVersion, accessKeyId, secretAccessKey, config);
}