Create project pocket use System 3.5.0.0 and add security protocol
Error: The type or namespace name 'SslProtocols' could not be found (are you missing a using directive or an assembly reference?)
Create project pocket use System 3.5.0.0 and add security protocol
Error: The type or namespace name 'SslProtocols' could not be found (are you missing a using directive or an assembly reference?)