Re: [DFW CFUG] Flash Remoting Problem

Thu, 05 Jan 2006 14:51:39 -0800


I found my solution...thanks anyway. But I might be back to ask more questions, this Flash Remoting is pretty difficult stuff, at least for me.
 
Thanks,
Justin

----- Original Message ----
From: Justin Cook <[EMAIL PROTECTED]>
To: CFUG List <[email protected]>
Sent: Thursday, January 05, 2006 4:33:25 PM
Subject: [DFW CFUG] Flash Remoting Problem

I'm having a problem with Flash Remoting and after having a fellow programmer look at it, she and I haven't been able to determine what the problem is...so I thought perhaps someone here would either A. have an idea or B. point me in the direction of an idea.
 
The scenario:
 
I set a session variable on a cfm page (SESSION.mapId) that will be used in a moment. From the cfm page, I allow the user to click on a link and open a new window with a flash swf on it.  On the newly opened page, I use Flash Remoting.  Flash calls a cfc to query the database and pull out the required map image to display. Within the CFC (as shown below), I have a query statement that has a where statement which uses the session variable I set earlier on. Once the appropriate information is pulled out of the database, it is returned to Flash where the image is presented within the SWF.
 
So the flow is:
 
cfm page (caller page) [session variable with mapId set]  ---> new window with Flash SWF ---> SWF calls CFC to query the database using session.mapId ---> data returned from the cfc is returned to Flash whereby Flash can display the appropriate image. 
 
Now if I happen to hard code my where statement and rather than use a SESSION variable use a specific item, my application works. Likewise, if I use a SESSION variable even though the SWF doesn't display the correct image, (in fact, it doesn't display any image), I can do a cfdump on the page that the SWF sits on and all of the proper variables are output using the session variable that I mentioned a moment ago.  I have used session variables within CFCs before for the express purpose of passing certain information into a Flash Remoting Session and it worked successfully and it was almost the same exact scenario. The only difference is that I did this about a year and half ago and Remoting has changed since then. So basically, I am stumped now and cannot figure out why this isn't working for me.
In case this helps, the function from the cfc:
 
<cffunction name="getImage" access="remote" returntype="string" output="true">
  <cfquery name="qGetImage" datasource="datasource_db">
   SELECT image
   FROM MapImages
   WHERE mapId = '#SESSION.mapId#'
  </cfquery>
  <cfset thisImage = "#qGetImage.image#">
  <cfreturn thisImage>
 </cffunction>
 
 
Ok, someone out there point me in the right direction, please.
 
Thanks,
Justin
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