ahhh, thanks, I get it now.
Couldn't wrap my head around how to dynamically build the request
object in MXML, and of course I should be doing it in the script...
--- In flexcoders@yahoogroups.com, "Tracy Spratt" <[EMAIL PROTECTED]> wrote:
>
> One HTTPService instance will work fine.
>
> Instantiate it with AS, or declare it in mxml as you choose.
>
> Then, in the function where you are going to invoke the send(), you
can any properties you wish. The main property you will probably set
is the url.
>
> Instead of declaring the request object in mxml as you show, build
it in AS just before you invoke send()
>
> You can also set a property on the AsyncToken, which you can then
access in the result handler function, in order to identify the result
to perform the desired processing.
>
> Below are some snippets.
>
> Tracy
>
> Sample code using HTTPService, e4x, handler function to populate a
list item.
> Also shows usage of AsyncToken.
>
> The DataGrid tag:
> <mx:DataGrid id="dg" dataProvider="{_xlcMyListData}" .../>
>
>
> The HTTPService tag:
> <mx:HTTPService id="service" resultFormat="e4x"
result="onResult(event)" fault="..../>
>
> Script block declaration:
> import mx.rpc.Events.ResultEvent;
> [Bindable]private var _xlcMyListData:XMLListCollection;
>
> Invoke send:
> var oRequest:Object = new Object();
> oRequest.calDate = fmtDate.format(dateChoose.selectedDate);
> oRequest._update = true;
> var callToken:AsyncToken = service.send(oRequest);
> token.callId = "myQuery1";
>
> Result Handler function:
> private function onResult(oEvent:ResultEvent):void {
> var xmlResult:XML = XML(event.result); //converts
result Object to XML. can also use "as" operator
> var xlMyListData:XMLList = xmlResult.myListData; //depends on
xml format, is row data
> _xlcMyListData = new XMLListCollection(xlMyListData); //wrap the
XMLList in a collection
> trace(_xlcMyListData.toXMLString()); //so you can
see exactly how to specify dataField or build labelFunction
> var callToken:AsyncToken = oEvent.token;
> var sCallId = callToken.callId; //"myQuery1"
> switch(sCallId) {
> case "myQuery1":
> doWhatever(); //massage
data, call another query, whatever
> break;
> ...
> }
> }//onResult
>
> ________________________________________
> From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
On Behalf Of nylarch
> Sent: Sunday, September 16, 2007 10:36 PM
> To: flexcoders@yahoogroups.com
> Subject: [flexcoders] httpservice and crud
>
> noob question alert.
>
> Just starting on flex. I'm doing a simple CRUD page working with a
calendar. Do I need
> to do seperate HTTPService components for the different CRUD
operations or is it possible
> to dynamically pass in requests to one service since I'm doing all
of the operations on the
> same backend php page.
>
> i.e. do you need to seperate:
>
> <mx:HTTPService id="getEvent" url="_calendar.php" resultFormat="text"
> method="GET">
> <mx:request>
> <calDate>{fmtDate.format(dateChoose.selectedDate)}</calDate>
> </mx:request>
> </mx:HTTPService>
>
> <mx:HTTPService id="updateEvent" url="_calendar.php" method="GET"
> result="getEvent.send()">
> <mx:request>
> <calDate>{fmtDate.format(dateChoose.selectedDate)}</calDate>
> <_update>true</_update>
> </mx:request>
> </mx:HTTPService>
>
> or can I dynamically pass in the in "update=true" and just use one
service for both Get and
> Update.
>
> Thanks.
>
