MACROMEDIA FLEX-FLEX ACTIONSCRIPT LANGUAGE Manual do Utilizador descarregar pdf (Página 98)

TUTORIALS POINT

Simply Easy Learning Page 93

<items>

<items>

HTTPService Declaration

Now declare a HTTPService and pass it url of the above file

<fx:Declarations>

<mx:HTTPService id="itemRequest"

url="http://www.tutorialspoint.com/flex/Items.xml" />

</fx:Declarations>

RPC Call

Make a call to itemRequest.send() method and bind values from lastResult object of itemRequest webservice to

Flex UI component.

...

itemRequest.send();

...

<mx:DataGrid id="dgItems" height="80%" width="75%"

dataProvider="{itemRequest.lastResult.items.item}">

<mx:columns>

<mx:DataGridColumn headerText="Name" dataField="name"/>

<mx:DataGridColumn headerText="Description" dataField="description"/>

</mx:columns>

</mx:DataGrid>

RPC Service Call Example

Now Let us follow the following steps to test RPC services in a Flex application:

S.N.

Description

Create a project with a name HelloWorld under a package com.tutorialspoint.client as explained in

the Flex - Create Application chapter.

Modify HelloWorld.mxml as explained below. Keep rest of the files unchanged.

Compile and run the application to make sure business logic is working as per the requirements.

Following is the content of the modified mxml file src/com.tutorialspoint/HelloWorld.mxml.

<?xml version="1.0" encoding="utf-8"?>

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MACROMEDIA FLEX-FLEX ACTIONSCRIPT LANGUAGE Manual do Utilizador Página 98