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Editorial Team
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Asked: 2026-06-15T21:42:42+00:00

In a standard 3-layered application (Winforms Ui, BLL, DAL) i need to have settings

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In a standard 3-layered application (Winforms Ui, BLL, DAL) i need to have settings specific for each layer.

Should i use the Winforms application settings to include all of them or i should have each dll (BLL,DAL) come with their settings?

I need a simple solution and not in a database or custom xmls, also i need to provide multiple UIs for the same architecture.

Update: Currently i am leaning towards separate .config files for each layer, i just dont know if this is the best practice that will allow for most of future changes (changes in layers and/or multiple UI apps).

Outcome: I think i am gonna have a static singleton class in every project that i need settings. I am gonna populate them by the upper layer every time with the most suitable way.

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1 Answer

  1. Editorial Team

    1. Custom xml file is flexible approach but need a bit effort.

    2. Use a separate library project only to serve for settings, its easier way as you may use default settings class to save/load settings but not very flexible for nested settings.

    3. Put all settings with DAL since it live at root and all other projects (UI, BAL) reference it)

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