Please provide the example code to connect V10 using C#. I see the examples only for V2 and V4 but not V10.
Check out the following Gist. It is a base C# class I've used in some .NET projects. The bulk of what you need is in the method named "doExecRequest"
Base C# class for interacting with Sugar 7 REST v10 API · GitHub
Retrieving data ...