Rails - Mar 2009 - How to pass javascript variable value to a Session Variable in javascript

Hi all,

Can any one tell me, how can I Pass a  javascript variable value to a
ROR session variale in javascript.

Please help me out


Thanks,
Shripad
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> Can any one tell me, how can I Pass a  javascript variable value to a
> ROR session variale in javascript.
You can either:

1) Set a cookie in JS and have your rails app read the cookie. If
you''re using not using DB-backed sessions, this may be sufficient. You
may not need to use rails'' actual sessions mechanism.

2) Have your JS do an XHR request to a special controller action which will save
your data to the session.

-- 
Starr Horne
Check out my Helpdesk RailsKit: http://railskits.com/helpdesk/


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Hi Starr,

Thank u for ur nice reply.

I have done the first part what u have mentioned by using
"document.cookie".
I am new to XMLHttpRequest(XHR) will you please guide me a little more
on this with example.
I have following code written in javascript

var selObj = document.getElementById(''zone'');
  		var i;
  		var count = 0;
  		for (i=0; i<selObj.options.length; i++) {
    		if (selObj.options[i].selected) {
      			selectedArray[count] = selObj.options[i].value;
      			count++;
    		}
  		}
  		document.cookie="zone_ids=" + selectedArray.toString();
  		 var r = document.cookie;


	  I want to pass this cookie value to my account controller method
say "add"

          And after passing how can I access it in the controller?

I am googleing for the same but don''t find good materials.
Please help me out

Thanks and Regards,
Shripad

On Mar 19, 6:49 pm, Starr Horne
<st...-wG8FsLYNbnsysxA8WJXlww@public.gmane.org>
wrote:
> > Can any one tell me, how can I Pass a  javascript variable value to a
> > ROR session variale in javascript.
>
> You can either:
>
> 1) Set a cookie in JS and have your rails app read the cookie. If
you''re using not using DB-backed sessions, this may be sufficient. You
may not need to use rails'' actual sessions mechanism.
>
> 2) Have your JS do an XHR request to a special controller action which will
save your data to the session.
>
> --
> Starr Horne
> Check out my Helpdesk RailsKit:http://railskits.com/helpdesk/
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Hi Starr,

Thank u for ur nice reply.

I have done the first part what u have mentioned by using
"document.cookie".
I am new to XMLHttpRequest(XHR) will you please guide me a little more
on this with example.
I have following code written in javascript

var selObj = document.getElementById(''zone'');
  		var i;
  		var count = 0;
  		for (i=0; i<selObj.options.length; i++) {
    		if (selObj.options[i].selected) {
      			selectedArray[count] = selObj.options[i].value;
      			count++;
    		}
  		}
  		document.cookie="zone_ids=" + selectedArray.toString();
  		 var r = document.cookie;


	  I want to pass this cookie value to my account controller method
say "add"

          And after passing how can I access it in the controller?

I am googleing for the same but don''t find good materials.
Please help me out

Thanks and Regards,
Shripad

On Mar 19, 6:49 pm, Starr Horne
<st...-wG8FsLYNbnsysxA8WJXlww@public.gmane.org>
wrote:
> > Can any one tell me, how can I Pass a  javascript variable value to a
> > ROR session variale in javascript.
>
> You can either:
>
> 1) Set a cookie in JS and have your rails app read the cookie. If
you''re using not using DB-backed sessions, this may be sufficient. You
may not need to use rails'' actual sessions mechanism.
>
> 2) Have your JS do an XHR request to a special controller action which will
save your data to the session.
>
> --
> Starr Horne
> Check out my Helpdesk RailsKit:http://railskits.com/helpdesk/
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