what does an n-tier architecture using ado.net entity model and MEF look like

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ok so if a standard n-tier architecture looks like this

Web
BAL
DLL
Datasource

what does an n-tier architecture using ado.net entity model and MEF look like..?

Posted 10-Dec-11 13:03pm

webpeon80

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[no name] 10-Dec-11 19:11pm

Generally I don’t think an architecture depends on tools….

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Not Active · Accepted Answer · 2011-12-10T13:08:00

Solution 1

Entity Framework is just a means of accessing the data, so it falls within the DAL, Data Access Layer. MEF is used is in the business layer.

Posted 10-Dec-11 13:08pm

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Updated 10-Dec-11 13:32pm

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webpeon80 10-Dec-11 19:13pm

your a legend, for some reason ive been thinking the architecture is totally different and now i understand why i havent been able to find any learning materials based around this...

side question on MEF, would it not be better to place this inside the BLL - bussiness logic layer, with another project specifically for any interfaces that it may use like this

Web
BLL - MEF
Interfaces - MEF components
DAL - Ado Entity
DataSource

[no name] 10-Dec-11 19:33pm

Sorry, I mistyped. MEF is more of a business layer function

webpeon80 10-Dec-11 19:38pm

Thanks Mark,