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Method of passing data between logical tiers : DataSet vs DataReader
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James Yang
Hi I've just finished reading Wrox relatively new book, ASP.NET Problem
Design Solution, and had some question on architecture decision made by the
authors.

They used DataSet to pass data around the Data Access Tier, which are just
code to run stored procs and get values etc, and business logic which are
code that wraps those data access tier classes. I was thinking though, it is
very unlikely that those two layers are to be separated physically, so why
is dataSet used??? instead of datareader
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Bill Bassler
If the data object doesn't possibly have a serialization requirement ... as
you suggest. (unlikely that those two layers are to be separated physically
... because a dataReader object cannot be serialized). Maybe because the
DataSet can be disconnected from the database??

Just my guess.

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