SignalR-Chatting-ASP.Net-Core-Angular UI: https://bootsnipp.com/snippets/1ea0N SignalR: https://docs.microsoft.com/en-us/aspnet/signalr/ In-memory storage: https://docs.microsoft.com/en-us/aspnet/signalr/overview/guide-to-the-api/mapping-users-to-connections#in-memory-storage
