The Clear method erases any buffered HTML output. However, the Clear method erases only the response body; it does not erase response headers. You can use this method to handle error cases. Note that this method causes a run-time error if Response.Buffer has not been set to TRUE.
Client: Requires Windows XP Professional, Windows 2000 Professional, or Windows NT Workstation 4.0.
Server: Requires Windows Server 2003, Windows 2000 Server, or Windows NT Server 4.0.