In asp.net core's dependency injection, do I need to connect first? The documentation doesn't seem to mention it.

[16cm]

In asp.net core's dependency injection, do I need to connect first? The documentation doesn't seem to mention it！

[16cm]

Configura method in the Startup file adds:

var applicationServices = app.ApplicationServices;
applicationServices.GetService<IStorageClient>()?.ConnectAsync();

Is this feasible?