http://www.sqlservercentral.com/Content tagged T-SQL, Performance Tuning, ADO, .Net posted on SQLServerCentral.comen-us360sjones@sqlservercentral.com (Steve Jones)Architectural choices for data access affect performance, scalability, maintainability, and usability. This article focuses on the performance aspects of these choices by comparing relative performance of various data access techniques, including Microsoft® ADO.NET Command, DataReader, DataSet, and XML Reader in common application scenarios with a Microsoft SQL Server™ 2000 database.http://www.sqlservercentral.com/redirect/articles/620/2002/03/01http://www.sqlservercentral.com/redirect/articles/620/