public void LoadMerchantsAndRollbackWithLocalTransaction() {

			string query = @"SELECT Merchant.Name FROM Merchant WHERE MerchantId = @MerchantId;";

			MerchantData actual = null;

			DatabaseConnector databaseConnector = new DatabaseConnector(connectionString);

			try {
				// Inicializa uma transação de banco de dados.
				databaseConnector.BeginTransaction();

				actual = databaseConnector.ExecuteReaderFetchAll<MerchantData>(query, new { MerchantId = 1 }).FirstOrDefault();

				Assert.IsNotNull(actual);
				Assert.AreEqual("Merchant Number One", actual.Name);

				actual = databaseConnector.ExecuteReaderFetchAll<MerchantData>(query, new { MerchantId = 2 }).FirstOrDefault();

				Assert.IsNotNull(actual);
				Assert.AreEqual("Another Merchant", actual.Name);
			}
			finally {
				databaseConnector.Rollback();
				databaseConnector.Close();
			}
		}
		public void MultipleTransactions() {

			DatabaseConnector databaseConnector = new DatabaseConnector(connectionString);

			//DatabaseConnector.BeginTransaction(connectionString);

			try {
				databaseConnector.BeginTransaction();

				databaseConnector.ExecuteNonQuery("SELECT banana FROM Merchant;");

				databaseConnector.Commit();

				//DatabaseConnector.CommitTransaction();
			}
			catch (Exception) {

				//DatabaseConnector.RollbackTransaction();
				databaseConnector.Rollback();
			}

			using (DatabaseConnector dbConnector = new DatabaseConnector(connectionString)) {

				DateTime dateTime = dbConnector.ExecuteScalar<DateTime>("SELECT GETUTCDATE();");
			}
		}