CRC for HTTP header

Discussion in 'ASP .Net' started by Jochen Müller, Jul 11, 2005.

  1. I want to add a CRC field to the HTTP header that contains a kind of
    checksum over the whole page content.

    1. Where have I to place the CRC calculation? I tried to do it in the
    Page_Unload event:
    Response.AppendHeader("CRC", crc_val)
    but it refused!

    2. Is there an already implemented CRC feature in ASP.NET that I can use?

    Thanks for your reply!
     
    Jochen Müller, Jul 11, 2005
    #1
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  2. Headers have to be written before any Page content is sent. Headers are in
    the HTTP message BEFORE the HTML.

    --
    HTH,

    Kevin Spencer
    Microsoft MVP
    ..Net Developer
    Ambiguity has a certain quality to it.

    "Jochen Müller" <> wrote in message
    news:...
    >I want to add a CRC field to the HTTP header that contains a kind of
    >checksum over the whole page content.
    >
    > 1. Where have I to place the CRC calculation? I tried to do it in the
    > Page_Unload event:
    > Response.AppendHeader("CRC", crc_val)
    > but it refused!
    >
    > 2. Is there an already implemented CRC feature in ASP.NET that I can use?
    >
    > Thanks for your reply!
    >
     
    Kevin Spencer, Jul 11, 2005
    #2
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