...whoops, forgot to pass my parameters into the Ajax.Request. So now the
Ajax.Request is successfully completing (knew that was something small)
...but I still get a return (in the alert: alert(json ? Object.inspect(json)
: "no JSON object");) of
"no JSON object"
... hmmm.....
On 6/4/07, Mark Holton <[EMAIL PROTECTED]> wrote:
>
> Do I need something like this:
> eval('(' + this.header( 'X-JSON') + ')')
>
> (taken from Cody Swann,
> http://ajaxian.com/archives/prototype-extension-dynamic-script-pattern-support
> ).
> I'm guessing my problem is simpler, and I'm leaving something small out
> related to the header though.
> Thanks for any help
> -Mark
>
>
> 1. evalJSON: function() {
> 2. if (this.transport.json ){ return this. transport.json; }
> 3. else
> 4. {
> 5. try {
> 6. return eval('(' + this. header('X-JSON') + ')');
> 7. } catch (e) { }
> 8. }
> 9. }
>
>
>
> On 6/4/07, Mark Holton <[EMAIL PROTECTED]> wrote:
> >
> > Hey guys,
> >
> > I'm probably missing something simple. (using Prototype 1.5.0., works
> > great).
> >
> > I'm requesting some data on the back-end, and return a JSON string. The
> > JSON string returned is exactly, for example:
> > {"FName":"Mark","LName":"Holton","EmailAddress":" [EMAIL PROTECTED]
> > ","Phone":4255555555}
> >
> > I can return that JSON string and stuff it into any dom element with
> > Ajax.Updater without a problem. But I'd like to pass the data into the
> > function using Ajax.Request, then populate elements on the page, such as
> > $('txFirstName').value = jsonobj.FName; $('txLastName').value =
> > jsonobj.LName; etc.
> >
> > There must be something wrong with how I'm trying to do this, however,
> > as I'm getting no response when using Ajax.Request, whereas I am able to
> > display the json in a DOM element when using Ajax.Updater. I'm
> > wondering if it's because Updater sees the text string okay, yet, in order
> > for JS to parse the incoming JS I have to do so with a header?:
> >
> > <!-- this isn't working for me -->
> > function PopulateViaSID(SID) {
> > var passSID = encodeURIComponent(parseInt(SID));
> >
> > var pars = 'FORM.passSID =' + passSID ;
> >
> > new Ajax.Request()
> > var url =
> > '/SShow/Model/AjaxCalls/sshow_caller_populateRef.cfm';
> > new Ajax.Request(url, {
> > method: 'get',
> > onSuccess: function(transport, json) {
> > alert(json ? Object.inspect(json) : "no JSON
> > object");
> > }
> > });
> >
> > <!-- this does return the string from the server and populate a DOM
> > element -->
> > new Ajax.Updater(resultDomElem,
> > '/SShow/Model/AjaxCalls/sshow_caller_populateRef.cfm',
> > {
> > asynchronous:true,
> > parameters: pars,
> > onSuccess:function(){
> > $('txtRefNotes').value = 'hello'; //this worked
> > // $('txtRefFirstName').value = oUser.FName; //was
> > hoping I could do this, but it didn't work
> > Element.setOpacity(resultDomElem, 0.0);
> > Effect.Appear(resultDomElem, { duration: 0.5 });
> > new Effect.Highlight(resultDomElem,
> > {startcolor:CEB195, endcolor:F8F8D2});
> > }
> > }
> > );
> >
>
>
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