OWIN Startup class not detected
问题 I was trying to implement OWIN WS Federation in an existing application. It's a web application in asp .net VB. I have added all the references from the Nugetpackages List of refernces added Then I added the startup class in 2 files as a Partial class. StartupAuth.vb: Imports System.Configuration Imports System.Globalization Imports System.Threading.Tasks Imports Microsoft.Owin.Extensions Imports Microsoft.Owin.Security Imports Microsoft.Owin.Security.Cookies Imports Microsoft.Owin.Security