SharePoint is showing strange behavior that when I use my Custom login page which is using the credentials entered to get authenticated by my Custom Security Token service (Trusted Identity provider) ...
I have a custom claims provider, which uses some services from another assembly. This service assembly basically uses Linq-to-SQL context to read data from database which then custom claims provider ...
I had to create an application which connects to Sharepoint. The interested Sharepoint Application is set to work ONLY with claim based Authentication, so I cannot use the classic: NetworkCredential ...