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Re: XMLHttpRequest: POST with Data

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On Fri, 24 Aug 2012 01:11:40 +0200, Christoph Becker
<cmbecker69@gmx.de> wrote:

>Gene Wirchenko wrote:
>> Dear JavaScripters:
>> 
>>      I am trying to pass data back and forth using XMLHttpRequest.  I
>> have run into a few issues.  The first one is the most important.
>> 
>>   1) I can not get POST to work according to various documentation I
>> have found on the Web.
>> 
>>      Suppposedly, the .open() and .send() would be
>>           oRequest.open("POST",Url,true);
>>           oRequest.send(DataToSend);
>> but with this, at the server end, the .QueryString value is ""
>> regardless of what was supposedly sent.
>
>If you send a POST request (without any additional query string), no
>query string will be sent (so .QueryString, which is supposedly .NET,
>will be empty). You have to look at some other
>property/variable/function (in PHP it would be $_POST).

     .QueryString is in Classic ASP (which is what I am using).

>>      I have found that using the GET style of
>>           oRequest.open("POST",Url+"?"+DataToSend,true);
>>           oRequest.send();
>> does work.  At least, it appears to.
>> 
>>      Am I doing something wrong, or is the documentation wrong?
>> 
>>   2) What should I do for escaping of data?  Going to the server, any
>> line breaks get eaten somewhere so I use escape() at browser and
>> unescape() at server.  Going from server to browser, line break are
>> not eaten.  Does this mean that I do not have to escape()/unescape()
>> on the trip back?
>> 
>>      Are escape() and unescape() the correct functions to use?
>
>For POST requests escaping on the client side should not be necessary.
>For GET requests encodeURI() resp. encodeURIComponent seem to be more
>appropriate.
>
>How to escape when sending data to the client depends.

     But what does it depend on?  I get tired of guessing.  I would
like to get it right.

[snip]

Sincerely,

Gene Wirchenko

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Thread

XMLHttpRequest: POST with Data Gene Wirchenko <genew@ocis.net> - 2012-08-23 15:00 -0700
  Re: XMLHttpRequest: POST with Data "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2012-08-23 22:48 +0000
    Re: XMLHttpRequest: POST with Data Gene Wirchenko <genew@ocis.net> - 2012-08-23 16:40 -0700
      Re: XMLHttpRequest: POST with Data "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2012-08-26 20:39 +0000
  Re: XMLHttpRequest: POST with Data Christoph Becker <cmbecker69@gmx.de> - 2012-08-24 01:11 +0200
    Re: XMLHttpRequest: POST with Data Gene Wirchenko <genew@ocis.net> - 2012-08-23 16:42 -0700
      Re: XMLHttpRequest: POST with Data Christoph Becker <cmbecker69@gmx.de> - 2012-08-24 02:54 +0200
        Re: XMLHttpRequest: POST with Data Gene Wirchenko <genew@ocis.net> - 2012-08-23 19:04 -0700
          Re: XMLHttpRequest: POST with Data Tim Streater <timstreater@greenbee.net> - 2012-08-24 08:57 +0100
    Re: XMLHttpRequest: POST with Data Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-08-25 12:02 +0200
      Re: XMLHttpRequest: POST with Data Christoph Becker <cmbecker69@gmx.de> - 2012-08-25 14:09 +0200
        Re: XMLHttpRequest: POST with Data Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-08-25 15:20 +0200
          Re: XMLHttpRequest: POST with Data Christoph Becker <cmbecker69@gmx.de> - 2012-08-26 15:49 +0200
            Re: XMLHttpRequest: POST with Data Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-08-26 19:15 +0200
              Re: XMLHttpRequest: POST with Data Stefan Weiss <krewecherl@gmail.com> - 2012-08-26 19:54 +0200
                Re: XMLHttpRequest: POST with Data Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-08-26 21:43 +0200
              Re: XMLHttpRequest: POST with Data Christoph Becker <cmbecker69@gmx.de> - 2012-08-26 23:42 +0200
  Re: XMLHttpRequest: POST with Data Denis McMahon <denismfmcmahon@gmail.com> - 2012-08-24 02:55 +0000
  Re: XMLHttpRequest: POST with Data "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2012-08-23 19:28 -0700
  Re: XMLHttpRequest: POST with Data "Tom de Neef" <tdeneef@qolor.nl> - 2012-08-24 15:58 +0200
  Re: XMLHttpRequest: POST with Data Ross McKay <au.org.zeta.at.rosko@invalid.invalid> - 2012-08-26 08:38 +1000
  Re: XMLHttpRequest: POST with Data Mike Winter <usenet@michael-winter.me.invalid> - 2012-08-26 14:59 +0100

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