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Method of passing data between logical tiers : DataSet vs DataReader Messages   Related Types This message was discovered on ASPFriends.com 'aspngarchitecture' list. 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 Reply to this message...        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. "James Yang" <Click here to reveal e-mail address> wrote in message news:674874@aspngarchitecture... [Original message clipped] Reply to this message...     System.Data.DataSet Ad MBR BootFX Best-of-breed application framework for .NET projects, developed by Matthew Baxter-Reynolds and MBR IT

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