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What?s the role of the DataReader class in ADO.NET connections?
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Answer Posted / ajay singh negi
DataReader object is a simply used to read data from the
result sets and because of this feature we call this object
as forward only or read only cursor. It requires a live
connection with the data source. Threw looping you can
efficiently access all or a part of data from the result
set. Note you cannot directly initialize a DataReader
object. Execute reader method of the command object is used
to obtain a valid DataReader object. After using DataReader
you need to close the connection otherwise it is stayed
alive and it is explicitly closed.
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