This topic presents some approaches to solving sorting problems.

Although you can implement sorting without using the ERecSortKey objects and methods to retrieve a list of valid keys, this approach does require that the application have its parameters coordinated with the data set. The application must have the Ns parameters hard-coded, and will rely on the MDEX Engine having corresponding parameters enabled. If a navigation request is made with an invalid Ns parameter, the MDEX Engine returns an error.

If the records returned with a navigation request do not seem to respect the sort key parameter, there are some potential problems:

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