System.UnauthorizedAccessException: 对路径“E:\web\TDE-Webs\start2028\error\error.html”的访问被拒绝。 在 System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) 在 System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost) 在 System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost) 在 System.IO.StreamWriter.CreateFile(String path, Boolean append, Boolean checkHost) 在 System.IO.StreamWriter..ctor(String path, Boolean append, Encoding encoding, Int32 bufferSize, Boolean checkHost) 在 System.IO.StreamWriter..ctor(String path, Boolean append, Encoding encoding, Int32 bufferSize) 在 _404.Page_Load(Object sender, EventArgs e)