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Creating a 4 tier application.

Posted on 2009-05-06
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Last Modified: 2012-05-06
I have the folliowing:

Create separate projects for all layers BO, BAL, DAL, UI.

How can I avoid circular dependecy. How will the layers be.

Example :
UI
|
BLL
|
DAL
========================================
and where will I reference the BO and the BLL and the DAL.
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Question by:mathieu_cupryk
2 Comments
 
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Accepted Solution

by:
GuitarRich earned 500 total points
ID: 24331613
BAL, DAL & UI will all reference BO
BAL will reference DAL
UI will reference BAL
That should not get any circular references and everything will get what they need.
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Author Comment

by:mathieu_cupryk
ID: 24331851
BO refernces nothign ?
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