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I have 3 live server.
1 for Presentation Layer.
2 for Business layer.
3 for DataAccess layer.


how add reference for presentation layer to business layer and business layer to DataAccess layer.and also tell me where i put my connection string.

What I have tried:

i just create 2 class libraries for business layer and DataAccess layer and also create empty web application for presentation layer
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1 solution

Hi friend below link help to you.

Four ways of passing data between layers[^]
 
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