Configurationmanager appsettings returning null value

If you've added this to an app. I just got answer DLL are called from another project not in the project where there are create. For example i have 2 project in my solution one class library and other console application. So if i add app. Hope it works. App settings are loaded into ConfigurationManager. AppSettings, but User settings in Properties settings in your project properties are not. I tried all of these solutions but none worked for me.

I was attempting to use a 'web. Everything was named correctly and the files were in the proper location, but it refused to work. I then decided to rename my 'web. This happened to me when I was testing a Class Library. They were both in the same project but the App. The App I had written to test needed the settings because it was running the library. I got this problem as I copied a project from the file explorer and renamed the project.

This copied the Debug folder and as I didn't have it set to 'Copy if newer' it didn't overwrite the old App. Happened to me just now, only when calling it from another project. Apparently, at the other project, the reference has not been defined as a Service Reference but rather as a Connected Service. I deleted the reference and added it again. In Visual Studio, right-click on the config file, select Properties, and then change "Copy to Output Directory" to either "Copy always" or "Copy if newer".

Alternatively, manually add the following section as a child of the element in your. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. AppSettings getting null? Ask Question. Asked 11 years, 1 month ago. Active 6 months ago.

Viewed 96k times. I am using VS target framework 3. Improve this question. Nick Kahn Nick Kahn Is this in your main app? In a class library? In a web application or web site?? Hi Nick can you please revise the correct answer? It's been 7 yrs and I posted a better solution. Add a comment. Active Oldest Votes.

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AppSettings["mySetting"] returning null 5 posts views Thread by Derrick last post: by. NET ConfigurationSettings. ConnectionString does not work 3 posts views Thread by Dave last post: by. Remove From My Forums. Answered by:. Archived Forums. Visual C. Sign in to vote.

Hi, I have C application based on 4. Get "Key" ; I am getting the result as null. Monday, June 19, PM. Hi Kiran Kumar Natrajan, Thank you for posting here. Some demo code This a link which introduces the AppDomain Class for your reference. Tuesday, June 20, AM.