Reading and updating an existing document with a POCO

Now we will write a method that updates a persisted Competition instance that represents a competition that is scheduled. Specifically, the method changes the values for the DateTime, NumberOfRegisteredCompetitors, and Platforms properties.

The following lines declare the code for the UpdateScheduledCompetitionWithPlatforms asynchronous static method, which receives the competition id, its location zip code, the new date and time, the new number of registered competitors, and the new gaming platforms in the competitionId, competitionLocationZipCode, newDataTime, newNumberOfRegisteredCompetitors, and newGamingPlatforms arguments. The method retrieves the Competition instance whose ID matches the competitionId value received as an argument, and updates the values to the explained properties. Add the following lines to the existing code of the Program.cs file. The code file for the sample is included in the learning_cosmos_db_05_01 folder...