With which code segment should you replace the body of the SaveChanges() method in the FlightInfoContext.es file?

Errors occasionally occur when saving data using the FlightInfoContext ADO.NET Entity Framework context. Updates to the data are being lost when an error occurs.

You need to ensure that data is still saved when an error occurs by retrying the operation. No more than five retries should be performed.

With which code segment should you replace the body of the SaveChanges() method in the FlightInfoContext.es file?

A . Option A
B . Option B
C . Option C
D . Option D

View Answer

Answer: C

Explanation:

EntitySqlException: Represents errors that occur when parsing Entity SQL command text. This exception is thrown when syntactic or semantic rules are violated.

SqlException: The exception that is thrown when SQL Server returns a warning or error. This class cannot be inherited. EntityCommandExecutionException : Represents errors that occur when the underlying storage provider could not execute the specified command. This exception usually wraps a provider-specific exception.