I got an error while redirect to mypage.aspx .how to solve this problem and i want to know the reason for this problem.
Server Error in '/lms' Application.
Security ExceptionDescription: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file.
Exception Details: System.Security.SecurityException: Request failed.
[SecurityException: Request failed.]
Version Information: Microsoft .NET Framework Version:2.0.50727.3603; ASP.NET Version:2.0.50727.4049