© 2026 Hedgehog Software, LLC

TwitterGitHubDiscord
More
CommunitiesDocsAboutTermsPrivacy
Search
Star
Setup for Free
C#C
C#•3y ago•
10 replies
Professor Chen

ContainsKey

someone know why, ContainsKey have error CS1061 Severity Code Description Project File Line Suppression State
Error CS1061 'JObject' does not contain a definition for 'ContainsKey' and no accessible extension method 'ContainsKey' accepting a first argument of type 'JObject' could be found (are you missing a using directive or an assembly reference?) Nuclear C:\Users\hewet\OneDrive\Desktop\NuclearSource\Nuclear\Program.cs 1179 Active
image.png
C# banner
C#Join
We are a programming server aimed at coders discussing everything related to C# (CSharp) and .NET.
61,871Members
Resources

Similar Threads

Was this page helpful?
Recent Announcements

Similar Threads

✅ How does dictionary.ContainsKey() work?
C#CC# / help
4mo ago
Dictionary cant find via ContainsKey but it does exist
C#CC# / help
3y ago
✅ IMemoryCache missing Contains?
C#CC# / help
2y ago
❔ Implementing security from a web library
C#CC# / help
3y ago