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On Fri, Sep 3, 2010 at 11:18 AM, Stephens, Larry V <steph...@indiana.edu>wrote: > > I'm sure this isn't news to most of you but perhaps there are one or two > people out there struggling with CF and Ajax. > > Rewriting an application for CF that was originally done in Access has some > challenges. Among them is display fields that are updated by an associated > field. In my case (and this dates back to when space was an issue and dBase > was a space hog) I didn't store (as one example) city, state and county > information but linked it to the zipcode combobox. Select a different > zipcode or add a new one (new oes are created, but I'm being generic here - > this applies to other types of linked data) and the combobox query populated > your related fields in a snap. > > CF, for obvious reasons, isn't as simple. I turned to binding. > > Part of my problem is having to use IE. We use ADS authentication and this > app needs to be "behind" that for security. Mozilla chokes on ADS - at least > here. But IE doesn't have anything as good as Firebug. (If I am wrong in > saying this *please* point me to the tool.) > > After manipulating some stuff I temporarily moved the app out of the ADS > area and opened it with Mozilla. Thanks to some posts I found with Google > and some advice from Tony Bentley and Raymond Camden I checked the XHR > return values and found what was causing the errors. > > The error was thrown because of a bad JSON string. So, two pieces of > advice: one problem was in Application.cfm. An old, old remark was > html-remarked (<!-- -->) not CF-remarked and that was getting returned in > the JSON string. The other issue was a footer file and another line of code > in the OnRequestEnd.cfm I had to go to a blank OnRequestEnd file. I don't > recall that bit of advice anywhere in the CF docs. > > All is still not well. One variable return is nothing by cfdump CSS code > despite there being no cfdump being used. I'm still figuring that out. > > One person advises looking at jquery instead of Ajax. We'll be trying that > > Thanks to those who helped. > > Larry Stephens > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Order the Adobe Coldfusion Anthology now! http://www.amazon.com/Adobe-Coldfusion-Anthology-Michael-Dinowitz/dp/1430272155/?tag=houseoffusion Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:336807 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/groups/cf-talk/unsubscribe.cfm
