ADO.NET DataReader Strategies
William R. Vaughn · Apress eBooks · 2002
Ok, now that you’ve constructed a Command and executed a SE LECT query you undoubtedly want to access the data returned. As with ADOc, ADO.NET can return data in a structure that contains both schema and data and additional metadata used to help in updating the data. You can also use lighter-weight (and faster) mechanisms that simply access the low-level data stream or a single value—that’s a DataReader, the subject of this chapter. These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.