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Previous Next   email this FAQ to a colleague Q: I'm receiving the following error message: Response object error 'ASP 0156' Header Error /intranet_devel/scripts/CheckLog.asp, line 14 The HTTP headers are already written to the client browser. Any HTTP header modifications must be made before writing page content. Does anyone know what is causing this error? A: This problem occurs when you output HTML before you change the Response Headers. For example changing the response header could consist of: Response.Buffer=True This is a restriction of the HTTP protocol. - Wayne Berry Articles Sep 11, 1997 - The Last-Modified Header in ASP A complete discussion of the Last Modified header and the Expires header including the effect they have on Active Server page and various browsers. [Read This Article]  [Top] Books Working with Active Server Pages Michael Corning, Steve Elfanbaum, David Melnick Understanding ActiveX and OLE: A Guide for Deve... David Chappell Professional Active Server Pages Gross, Homer, Enfield, Gross, Harrison, Francis, Jakab, Gill, Hartwell Professional Visual C++ 5.0 ActiveX/COM Control... Sing Li & Panos Econompopoulos Teach yourself Active Web Database Programming ... Dina Fleet, Matt Warren, Joyce Chen, Alexander Stojanovic Code Samples Authenticate in ASP without NT Creating a Unique Cookie with SQL Server Check Cookie Assignment Using ASP To Fill a TreeControl Change a Number Value into a Dollar Value Related Topics ASP 2.0 Knowledge Base Articles HOWTO: Disabling Cookies Sent by Active Server ... Q163010 - 1997.06.23

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