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Editorial Team
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Asked: 2026-05-26T08:10:17+00:00

I am in the process of writing a service using C# and I need

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I am in the process of writing a service using C# and I need to store a list of strings within the app.config file. I have 161 of these.

How can I store this information in the app.config file? There must be a way, because these are strongly typed values and thus I’m supposed to easily use any valid .NET type in the code to access them!

I want to avoid having one value that uses a comma-separated list for obvious performance issues.

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  1. Editorial Team

    I use Microsoft’s Visual Studio 2010.

    1. In Solution Explorer, expand the Properties node of your project.

    2. In Solution Explorer, double-click the .settings file in which you want to add a new setting. The default name for this file is Settings.settings.

    3. In Settings Designer, set the Name, Type, Scope, and Value for your setting. Each row represents a single setting.

    4. The Type that you need is System.Collections.Specialized.StringCollection. This can be located after clicking Browse at the end of the DropDownList that appears when you click to set the Type.

    5. Click on the button that appears towards the end of the Value TextBox.

    6. Type in your strings, one-by-one, in the dialog that appears.

    This is how it goes.

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