1. The session is automatically lost when it expires.
2. When web.config is modified, the system will restart and the SESSION will be lost.
3. When the Bin directory is changed, the system will restart and the SESSION will be lost. (Changes here refer to creating new files, modifying file names, and modifying file contents. , delete files, modify directory names, delete directories) Only when creating a new directory, the system will not restart.
(The change here refers to modifying the directory name and deleting the directory)