ASP.NET 2.0 Performance Inspection Questions - Data Access

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- J.D. Meier, Srinath Vasireddy, Ashish Babbar, Rico Mariani, and Alex Mackman

Some form of data access is required by most ASP.NET applications. Data access is a common area where performance and scalability issues are found. Review the following questions to help improve your application's page level data access:

Do you page large result sets?

Identify areas of your application where large result sets are displayed and consider paging the results. Displaying large result sets to users can have a significant impact on performance. For paging implementation details, see "How To: Page Records in .NET Applications" in the "How To" section of this guide.

Do you use DataSets when you could be using DataReaders?

If you do not need to cache data, exchange data between layers or data bind to a control and only need forward-only, read-only access to data, then use DataReader instead.

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