/// <summary>
        /// Runs the code example.
        /// </summary>
        /// <param name="user">The AdWords user.</param>
        /// <param name="adGroupId">Id of the ad group that contains the criterion.
        /// </param>
        /// <param name="criterionId">Id of the keyword for which the ad
        /// parameters are set.</param>
        public void Run(AdWordsUser user, long adGroupId, long criterionId)
        {
            // Get the AdGroupAdService.
              AdGroupAdService adGroupAdService = (AdGroupAdService) user.GetService(
              AdWordsService.v201309.AdGroupAdService);

              // Get the AdParamService.
              AdParamService adParamService = (AdParamService) user.GetService(
              AdWordsService.v201309.AdParamService);

              // Create the text ad.
              TextAd textAd = new TextAd();
              textAd.url = "http://www.example.com";
              textAd.displayUrl = "example.com";
              textAd.headline = " Mars Cruises";
              textAd.description1 = "Low-gravity fun for {param1:cheap}.";
              textAd.description2 = "Only {param2:a few} seats left!";

              AdGroupAd adOperand = new AdGroupAd();
              adOperand.adGroupId = adGroupId;
              adOperand.status = AdGroupAdStatus.ENABLED;
              adOperand.ad = textAd;

              // Create the operation.
              AdGroupAdOperation adOperation = new AdGroupAdOperation();
              adOperation.operand = adOperand;
              adOperation.@operator = Operator.ADD;

              try {
            // Create the text ad.
            AdGroupAdReturnValue retVal = adGroupAdService.mutate(
            new AdGroupAdOperation[] {adOperation});

            // Display the results.
            if (retVal != null && retVal.value != null && retVal.value.Length > 0) {
              Console.WriteLine("Text ad with id ='{0}' was successfully added.",
              retVal.value[0].ad.id);
            } else {
              Console.WriteLine("No text ads were created.");
              return;
            }
              } catch (Exception ex) {
            Console.WriteLine("Failed to create text ads. Exception says \"{0}\"", ex.Message);
            return;
              }

              // Create the ad param for price.
              AdParam priceParam = new AdParam();
              priceParam.adGroupId = adGroupId;
              priceParam.criterionId = criterionId;
              priceParam.paramIndex = 1;
              priceParam.insertionText = "$100";

              // Create the ad param for seats.
              AdParam seatParam = new AdParam();
              seatParam.adGroupId = adGroupId;
              seatParam.criterionId = criterionId;
              seatParam.paramIndex = 2;
              seatParam.insertionText = "50";

              // Create the operations.
              AdParamOperation priceOperation = new AdParamOperation();
              priceOperation.@operator = Operator.SET;
              priceOperation.operand = priceParam;

              AdParamOperation seatOperation = new AdParamOperation();
              seatOperation.@operator = Operator.SET;
              seatOperation.operand = seatParam;

              try {
            // Set the ad parameters.
            AdParam [] newAdParams = adParamService.mutate(new AdParamOperation[]
            {priceOperation, seatOperation});

            // Display the results.
            if (newAdParams != null) {
              Console.WriteLine("Ad parameters were successfully updated.");
            } else {
              Console.WriteLine("No ad parameters were set.");
            }
              } catch (Exception ex) {
            throw new System.ApplicationException("Failed to set ad parameters.", ex);
              }
        }
        /// <summary>
        /// Sets an adparam for running further tests.
        /// </summary>
        /// <param name="user">The AdWords user.</param>
        /// <param name="adGroupId">The adgroup id to which criterionId belongs.
        /// </param>
        /// <param name="criterionId">The criterion id to which adparam is set.
        /// </param>
        public void SetAdParam(AdWordsUser user, long adGroupId, long criterionId)
        {
            AdParamService adParamService =
              (AdParamService) user.GetService(AdWordsService.v201309.AdParamService);

              // Prepare for setting ad parameters.
              AdParam adParam = new AdParam();
              adParam.adGroupId = adGroupId;
              adParam.criterionId = criterionId;
              adParam.paramIndex = 1;
              adParam.insertionText = "$100";

              AdParamOperation adParamOperation = new AdParamOperation();
              adParamOperation.@operator = Operator.SET;
              adParamOperation.operand = adParam;

              // Set ad parameters.
              AdParam[] newAdParams = adParamService.mutate(new AdParamOperation[] {adParamOperation});
              return;
        }