About Flash Remoting MX and data types

When Flash Remoting MX sends data from a Flash application to an application server, and when a server returns data to a flash application, the data is converted twice:

In the Flash client, between ActionScript data types and Action Message Format (AMF)
At the server gateway, between Action Message Format and the native language of the application (Java, C#, Visual Basic, or CFML).

The following figure shows this data conversion:

The figure shows that data is converted for transmission between the Flash application and the application server as described in the text.

A two-step conversion process enables Flash Remoting MX to use a system-neutral, efficient representation for the data it transmits. This way, you can create a Flash application that can work with many back-end application servers.

Flash Remoting MX does all data conversions automatically. In most cases, the conversion is straightforward; you simply pass the ActionScript data as arguments to a remote service, and handle the returned data in your callback functions. In a few cases, you must understand data type conversion considerations to ensure correct application behavior. This chapter includes information about these considerations.

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Current page: http://livedocs.adobe.com/flashremoting/mx/Using_Flash_Remoting_MX/UseASData2.htm

Using Flash Remoting MX
Using Flash Remoting Data in ActionScript