Applications need to communicate with a server over the HTTP protocol to access back-end services. Angular provides a client HTTP API for Angular applications through the HttpClient service class in @...
How to fix
Angular Troubleshooting: How to Fix NullInjectorError: No provider for _HttpClient!
Applications need to communicate with a server over the HTTP protocol to access back-end services. Angular provides a client HTTP API for Angular applications through the HttpClient service class in @...