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I am having difficulty using ConfigurationManager in my C# code. I have tried various solutions but have not been successful. I am also unable to add a reference. Can someone provide guidance on how to use ConfigurationManager properly?
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That depends on what you're trying to do with it. Could you show us a code example of what you've tried already and what isn't working?
I tried adding Nu get packages and I tried using system.config
I have added an appsetting in app.config file following is the screenshot of it
Are you just missing the using from the top?
using System.Configuration;
naah look at this screenshot
Strange, could you try removing using Microsoft.Extensions.Configuration from the top? That namespace also defines ConfigurationManager so I would expect an error message to tell you that it's ambiguous rather than the error in your original post.
Edit: Ah, just re-read your original post. There's a typo - it's ConfigurationManager rather than ConfigrationManager.
I am trying to solve it for a few hours actually I want to fetch some data from a txt file that is present in the folder of my console app and before my app starts I want to load all words from txt file to a list I was doing it through hard coding way but someone told me to do it through app.config this isn't working can you recomend me somethimg else??
Reading these values from a text file is fine for this case. You don't necessarily need to store the filename in your app.config, you could just hard-code the file path in your app, but it does give you flexibility for the file name to be configurable. If you fix that ConfigurationManager typo it should work.
But I don't want to do hard code I have to deliver this project to someone and he don't want this part to be hardcoded
I've found the solution just hardcode the path of within the project put your text file in bin folder of the project and change it's extension to .vs and hardcode like this'./Emptytextfile.vs'