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Editorial Team
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Asked: 2026-05-11T19:12:28+00:00

I have split my .NET project into three different layers Facade Layer, Business Layer

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I have split my .NET project into three different layers Facade Layer, Business Layer and Data Access Layer.

I am looking for the correct naming convention for the file names for these layers. For example if I have accounts related function in my project, I am currently having ‘AccountsFAC.cs’ and class name AccountsFAC in facade layer, AccountsBL.cs and class name AccountsBL in business layer, AccountsDAL.cs and AccountsDAL class name in DAL Layer.

I want to know whether this is the correct way of namign the files in different layers.

Added later

Suggestion #1

One of the suggestions given by Robert Koritnik below is to use descriptive names like ‘AccountStore’ and ‘AccountService’

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  1. Editorial Team

    I probably wouldn’t include the layer abbreviations in the actual class names. I would divide the classes into appropriate libraries and namespaces, so that the namespace indicates the layer, not the class name.

    These are terrible examples, you should choose more meaningful namespaces, but something more like this:

    • MyCompany.Whatever.Data.Accounts
    • MyCompany.Whatever.Business.Accounts
    • MyCompany.Whatever.Facade.Accounts
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